Calendar
30 solved SSC CGL Reasoning previous year questions on Calendar, each with the correct answer and a full explanation.
Q1
Satya's birthday falls on 15th August and Meena's birthday falls on 25th June. If Meena's birthday was on Wednesday, what was the day on Sathya's birthday in the same year?
✓ Correct answer: a) Friday
ExplanationGiven: Meena’s birthday: 25 June (Wednesday) Satya’s birthday: 15 August (same year) Step 1: Count days between 25 June and 15 August Remaining days in June = 30−25=5 days Days in July = 31 days Days in August up to 15th = 15 days Total days = 5+31+15=51 days Step 2: Find day shift 51÷7=7 weeks + 2 days So the day advances by 2 days Step 3: Move 2 days ahead from Wednesday Wednesday → Thursday → Friday Hence, friday is the correct answer.
Q2
Divit's birthday is on Friday 30th June. On what day of the week will be Samar's Birthday in the same year if Samar was born on 15th November?
✓ Correct answer: c) Wednesday
ExplanationDays left in June = 30 – 30 = 0 Days in November to count = 15 Thus, total number of days from Divit's birthday to Samar’s birthday = 31 + 31 + 30 + 31 + 15 = 138 Thus, number of odd days = 138 | 7 = 5 ...........(applying Modulo function which gives the remainder of the division.This is used here to separate the number of odd days from the number of weeks.) As Divit's birthday is on Friday, Samar’s birthday will on Friday + 5 days = Wednesday.Hence, Wednesday is the correct answer.
Q3
Aarav's birthday is on Sunday, 12 th March . On what day of the week will be Madhup's Birthday in the same year if Madhup was born on 10 th August?
✓ Correct answer: a) Thursday
ExplanationAccording to the question : Arav’s birthday is on 12th March, Sunday.We have to find that Mandhup’s b’day is on which day, if his birthday is on 10th August of the same year.The total number of days between 12 March and 10 August = (19 days left in March + number of days in April + number of days in May + number of days in June + Number of days in July + 10 days of August ) = ( 20 + 30 + 31 + 30 + 31 + 10 ) = 151 days A day repeats itself on the seventh day.Thus, number of weeks = 151 / 7 = 21 weeks + 4 days Since there are 21 complete weeks, but also 4 extra days.On the completion of 25 weeks, it was Sunday only.But 4 days after, ( counting from the day after Sunday ) 1.Monday 2.Tuesday 3.Wednesday 4.Thursday So , the day on 10th August will be Thursday.Hence , “ Thursday “ is the correct answer.
Q4
Devansh's birthday is on Friday 14 TH April. On what day of the week will be Rohan's Birthday in the same year if Rohan was born on 20 TH September?
✓ Correct answer: d) Wednesday
ExplanationAccording to the question : Devansh’s birthday is on 14th April, Friday.Then, Rohan’s b’day is on which day, if his birthday is on 20th September of the same year.The total number of days between 14 April and 20 September = (16 days left in April + number of days in May + number of days in June + Number of days in July + Number of days in August + 20 days of September ) = ( 14 + 31 + 30 + 31 + 31 + 20 ) = 159 days A day repeats itself on the seventh day.Thus, number of weeks = 159 / 7 = 22 weeks + 5 days Since there are 22 complete weeks, but also 5 extra days.On the completion of 22 weeks, it was Friday only.But 5 days after, ( counting from the day after Friday )1. Saturday 2.Sunday 3.Monday 4.Tuesday 5.Wednesday So , the day on 20th September will be Wednesday.Hence , “Wednesday“ is the correct answer.
Q5
Kavya's birthday is on Tuesday 4th July. On what day of the week will be Anika's Birthday in the same year, if Anika was born on 15th August?
✓ Correct answer: d) Tuesday
ExplanationHere, in this question, we have to find the day Anika was born.According to the given day in question, 4th July = Tuesday 9th july = Sunday 9 + 7 = 16th july = Sunday 16 + 7 = 23rd july = Sunday 23 + 7 = 30th july = Sunday 31st July = Monday On 1st August = Tuesday 1 + 7 = 8th Aug = Tuesday 8 + 7 = 15th Aug =Tuesday So, Anika was born on 15th August- Tuesday Hence, Tuesday is the correct answer.
Q6
Chirag's birthday is on Thursday 1st June. On what day of the week will be Reyansh's Birthday in the same year if Reyansh was born on 3rd December?
✓ Correct answer: b) Sunday
ExplanationHere we are given chirag's birthday.We have to find out on which day Reyansh's birthday will come in the same year.According to question, 1st June is Thursday Number of days left in June 30-1=29 Number of days in July 31 Number of days in August 31 Number of days in September 30 Number of days in October 31 Number of days in November 30 Number of days in December till 3rd December 3 Total number of days 29+31+31+30+31+30+3=185 Now, dividing 185 by 7 (because there are 7 days in a week) Then, reminder is 3 Thus, day on 3rd December Thursday +3= Sunday Hence, Sunday is the correct answer.
Q7
Akarsh's birthday is on Saturday 29th July. On what day of the week will be Ojas's Birthday in the same year if Ojas was born on 12th August?
✓ Correct answer: c) Saturday
ExplanationHere, we are given Akash's birthday.We have to find out on which day Ojas's birthday will come in the same year.According to question, 29th July is Saturday Number of days left in July 31-29=2 Number of days in August till 12th August 12 Total number of days 2+12=14 Now, dividing 14 by 7 (because there are 7 days in a week) Then, reminder is 0 Thus, day on 12th August Saturday +0= Saturday Hence, Saturday is the correct answer.
Q8
Karan remembers that his sister's birthday is not after 18th August. Karan's mother remembers that Karan's sister birthday is before 20th August but after 17th August. On which date of August is Karan's sister birthday?
✓ Correct answer: a) 18
ExplanationHere in this question, we have to find the birth date of Karan’s Sister.Given:- Karan remembers that his sister’s birthday isn’t after the 18th of August.Karan’s mother remembers that Karan’s sister's birthday is before the 20th of August but after the 17th of august.Conclusively, birthday of Karan's sister is after 17th August, but not after 18th.This means, her birthday falls on 18th August itself.So, the birthday of Karan's sister’s on 18 August.Hence, the correct answer is 18.
Q9
Bhavin's birthday is on Monday 20th May. On what day of the week will be Rachit's Birthday in the same year if Rachit was born on 17th November?
✓ Correct answer: b) Sunday
ExplanationAccording to the question : Bhavin’s birthday is on 20th May, Monday.We have to find that Rachit’s bday is on which day, if his birthday is on 17th November of the same year.The total number of days between 20 May and 17 November = (11 days left in May + number of days in June + Number of days in July + Number of days in August + number of days in September + number of days in October + 17 days of November ) = ( 11 + 30 + 31 + 31 + 30 + 31 + 17 ) = 181 days A day repeats itself on the seventh day.Thus, number of weeks = 181 / 7 = 25 weeks + 6 days Since there are 25 complete weeks, but also 6 extra days.On the completion of 25 weeks, it was Monday only.But 6 days after, ( counting from the day after Monday ) 1.Tuesday 2.Wednesday 3.Thursday 4.Friday 5.Saturday6. Sunday So , the day on 17th November will be Sunday.Hence , “ Sunday “ is the correct answer.
Q10
Priya's birthday is on Tuesday 11th April. On what day of the week will be Rani's Birthday in the same year if Rani was born on 31st august?
✓ Correct answer: d) Thursday
ExplanationHere, in this question we have to find the day of the week when Rani’s is born.According to the given question, 11th April is Tuesday.Odd days in 28 days = 0 ( 28 ÷ 7 = 4; 0 remainder means 0 days) Odd days in 30 days = 2 ( 30 ÷ 7 ) remainder = 2 days Odd days in 31 days = 3 ( 31 ÷ 7 ) remainder = 3 days Days left in April = 30 - 11 = 19 Odd days in April after 11th April 19 ÷ 7 = remainder = 5 days ( 7 × 2 = 14; 19 - 14 = 5 ) Odd days in May = 3 days ( 31 days ) Odd days in June = 2 days ( 30 days ) Odd days in July = 3 days ( 31 days ) Odd days in August = 3 days till 31st August.Now, find the sum of total Odd days:- ( 5 + 3 + 2 + 3 + 3 ) = 16 days = 16 ÷ 7; remainder = 2 days So, Day on 31st August = Tuesday + 2 days = Thursday Hence, Thursday is the correct answer.
Q11
Eshan's birthday is on Friday 10th March. On what day of the week will be Shlok's Birthday in the same year if Shlok was born on 25th September?
✓ Correct answer: a) Monday
ExplanationHere in this question, we have to find the birthday of Shlok.Logic: We have to find the number of odd days here.Given: Eshan’s birthday is on Friday 10th March.Shlok was born on 25th September.Days between Eshan’s Birthday to Shlok’s birthday is = 21 day of March + 30 days of April + 31 days of May + 30 days of June + 31 days of July + 31 days of August + 25 days of September. = 21 + 30 + 31 + 30 + 31+ 31 + 25 = 199 For finding the odd days = Number of days/7 = Odd days. = 199/7 = 3 Remainder Odd days = Friday 10th March + 3 = Monday So, Shlok was born on 25th September on Monday.Hence, Monday is the correct answer.
Q12
Hans's birthday is on Monday 5th June. On what day of the week will be Tushar's Birthday in the same year if Tushar was born on 11th December?
✓ Correct answer: c) Monday
ExplanationAccording to the question : Hans’s birthday is on 5th June, Monday.Then, Tushar’s b’day is on which day, if his birthday is on 11 December of the same year.The total number of days between 5 June and 11 December = (25 days left in June + Number of days in July + Number of days in August + Number of days in September + Number of days in October + Number of days in November + 11 days of December ) = ( 25 + 31 + 31 + 30 + 31 + 30 + 11 ) = 189 days A day repeats itself on the seventh day .Thus, number of weeks = 189/7 = 27 weeks Since, there are 27 weeks and no extra day after week completion .Therefore, the day on 11 December will be Monday.Hence , "Monday" is the correct answer.
Q13
Mishti's birthday is on Thursday 27th April. On what day of the week will be Aradhya's Birthday in the same year, if Aradhya was born on 20 th October?
✓ Correct answer: a) Friday
ExplanationHere, in the given question, we must find the day Aradhya was born.Given:- Mishti’s birthday = 27th April (Thursday) Aradhya’s birthday = 20th October (?) Now, the number of days between 28th April to 20th October- In April = 3 days left In May = 31 days left In June = 30 days left In July = 31 days left In August = 31 days left In September = 30 days left In October = 20 days left So, the Total days are 176 The number of odd days will be = 176/7, i.e. 1 So, Aradhya's birthday will be on Friday (Thursday +1 day) Hence, Friday is the correct answer.
Q14
Gurkiran's birthday is on Sunday 21st May. On what day of the week will be Shreyas's Birthday in the same year if Shreyas was born on 14th November?
✓ Correct answer: a) Tuesday
ExplanationHere, in this type of question some day and date are given and we have to find the day on another date.Gurkiran's birthday 21st May = Sunday Shreyas's Birthday in the same year if Shreyas was born on 14th November Days between 21 may and 14 november = 10 + 30 + 31 + 31 + 30 + 31 + 14 = 177 Odd days = 177/7 = 2 odd days Day on 14 November = Sunday + 2 = Tuesday.So, Shreyas's Birthday on 14 November Tuesday.Hence, Tuesday is the correct answer.
Q15
Sumitra remembers that her mother's birthday is after 13th February but before 16th February but her brother remembers that his mother's birthday is after 14th February but before 17th February. On which date Sumitra's mother's birthday will be celebrated?
✓ Correct answer: c) 15th February
ExplanationHere, in this type of question some conditions are given.We have to satisfy all the conditions and find the correct answer.Sumitra remembers that her mother's birthday is after 13th February but before 16th February Possible dates => 14 and 15 February Sumitra’s brother remembers that his mother's birthday is after 14th February but before 17th February.Possible dates => 15 and 16 February 15 February is common in both the statements.So, Sumitra’s mother's birthday will be celebrated on 15 February.Hence, 15 February is the correct answer.
Q16
Advik's birthday is on Monday 19th June. On what day of the week will be Nichithi’s Birthday in the same year if Nichithi was born on 17th November?
✓ Correct answer: c) Friday
ExplanationAccording to the question, Advik’s birthday is on 19th June, Monday.We have to find that Nichithi’s b’day is on whichday, if his birthday is on 17th November of the same year.The total number of days between 19 June and 17 November = (11 days left in June + number of days in July + number of days in August + number of days in September + number of days in October + 17 days of November ) = ( 11 + 31 + 31 + 30 + 31 + 17 ) = 151 days A day repeats itself on the seventh day.Thus, number of weeks = 151 / 7 = 21 weeks + 4 days Since there are 21 complete weeks, but also 4 extra days.On the completion of 21 weeks, it was Monday only.But 4 days after, ( counting from the day after Monday) 1.Tuesday 2.Wednesday3. Thursday4. Friday So , the day on 17th November will be Friday.Hence , “ Friday “ is the correct answer.
Q17
Faiyaz's birthday is on Wednesday 12th April. On what day of the week will be Shray's Birthday in the same year if Shray was born on 2nd October?
✓ Correct answer: a) Monday
ExplanationHere, in this question we have to find the day of the week when Shray’s is born.According to the given question, 12th April is Wednesday.Odd days in 28 days = 0 ( 28 ÷ 7 = 4; 0 remainder means 0 days) Odd days in 30 days = 2 ( 30 ÷ 7 ) remainder = 2 days Odd days in 31 days = 3 ( 31 ÷ 7 ) remainder = 3 days Days left in April = 30 - 12 = 18 Odd days in April after 12th April 18 ÷ 7 = remainder = 4days ( 7 × 2 = 14; 18 - 14 = 4) Odd days in May = 3 days ( 31 days ) Odd days in June = 2 days ( 30 days ) Odd days in July = 3 days ( 31 days ) Odd days in August = 3 days ( 31 days ) Odd days in September = 2 days (30 days ) In October, 2 days; as we have to find the 2nd October day of the same year.Now, find the sum of total Odd days; ( 4 + 3 + 2 + 3 + 3 + 2 + 2 ) = 19 days = 19 ÷ 7; remainder = 5 days So, Day on 2nd October = Wednesday + 5 days = Monday Hence, Monday is the correct answer.
Q18
Dhruv's birthday is on Sunday 28th May. On what day of the week will be Sahil's Birthday in the same year if Sahil was born on 19th October?
✓ Correct answer: c) Thursday
ExplanationHere, we have to find the birth day of Sahil who was born on 19 th October.Dhruv’s birthday is on Sunday 28th May. = 28th May = Sunday.Sahil’s birthday is on 19th October of the same year.Let’s count the number of days from 28th May to 19th October.3 Days in May 30 Days of June.31 Days of July.31 Days of August.30 Days of September.19 Days of October. = 3 + 30 + 31 + 31 +30 + 19 = 144 Total Days.To find the Odd days we have to divide it by7. = 144÷7 = 4 Remainder consider as an Odd day Now, odd days add on Sunday.Dhruv’s birthday is Sunday + 4 = Sahil’s birthday is on Thursday.So, the birthday of Shail’s is on 19th October Thursday.Hence, the correct answer is Thursday.
Q19
What day of the week was 31 January 2007 ?
✓ Correct answer: b) Wednesday
ExplanationHere, in this question we have to find what day of the week was 31 January 2007. To find a particular day of the year, we need to follow some steps to- Step 1: No. of odd days No. of odd days Leap year Normal year 366 ÷ 7 = 52 weeks + 2 odd days 365 ÷ 7 = 52 weeks + 1 odd day Step 2: To find leap year (1-99) years, divide the number of years by 4 and quotient will be the number of leap year Step 2: Code for week days No. of odd days Day 0 Sunday 1 Monday 2 Tuesday 3 Wednesday 4 Thursday 5 Friday 6 Saturday Now, upto year 2006 ➡ 2000 + 6 years No. of odd days in year 2000 is 0 No. of odd days in year 6 years (1 leap yr and 5 normal yr) is 2+5 = 7 Now for January (31 days) month of year 2007, no. of odd days is 3 Therefore total odd days ➡ 0+7+3= 10 days (1 week + 3 days).And, we know that 3 is the code for “Wednesday” Hence, Wednesday is the correct answer.
Q20
What was the day of the week on 17 April 2014?
✓ Correct answer: d) Thursday
ExplanationIn this question we have to find what was the day of the week on 17th April 2014. As per the given information; Code for Days: Code for centuries: 1600 -> 6 1700 -> 4 1800 -> 2 1900 -> 0 2000 -> 6 2100 -> 4 2200 -> 2 for, 17 April 2014 Date =17 Code for month = 6 Code for Century = 6 2014 = 2000 +14 for, 14 it is 14 And, 14 ÷ 4 = 3 Adding all these = 17+6+6+14+3 = 46 46 ÷ 7 = 4 (here we consider the remainder) 4 is the code for thursday.17 April 2014 is Thursday.Hence, “Thursday” is the correct answer.
Q21
If 19 July 2000 was a Wednesday, then what would be the day of the week on 15 June 2012?
✓ Correct answer: d) Friday
ExplanationRefer to the tables given below: By using the calculation method: Remainder = Date + month code + century code + last two digit of the year + (last two digits of the year ÷ 4)/ 7 Code for 19 July 2000, The code for Wednesday will be3. So, 15 June 2012 will be: Thus 5 is the day code for Friday.That means 15 June 2012 will be Friday.Hence, Friday is the correct answer.
Q22
Today is Friday. What day will it be after 55 days?
✓ Correct answer: b) Thursday
ExplanationIf today is Friday, and it will repeat after every 7 days.Now, let's say today is Friday, so after 7 days, it will occur again.1 week = 7 days so, 55 days = 55/7 = 7 weeks and 6 odd days.After 55 days = Friday + 6 = Thursday Hence, Thursday is the correct answer.
Q23
What day of the week will be on 1st January 2033?
✓ Correct answer: a) Saturday
ExplanationCalculating the odd days for 31st December 2032 : For the year 2000, odd days will be0. From 2001 to 2032, there will be 24 ordinary years and 8 leap years.Total odd days = 24 + (8 2) = 40 = = 5 odd days As 5 is the code for Friday , thus it is Friday on 31st December 2032. So the code for 1st January 2023 will be = Friday + 1 = Saturday Hence, 'Saturday' is the correct answer.
Q24
What was the day of the week on 26th November 1994 ?
✓ Correct answer: c) Saturday
ExplanationThe process to calculate the day on the given date is as follows: The number of odd days- In years except leap years = 365 / 7 = 52 weeks and 1 odd days.In leap years = 366 / 7 = 52 weeks and 2 odd days.Also, 100 years = 5 odd days 200 years = 3 odd days 300 years = 1 odd days 400 years = 0 odd days Now, Calculating the number of odd days in the year 1994 = 1600 + 300 + 94 = 0 + 1 + x = 1+x Where, x = 23 leap years & 70 regular years x = 46 + 70 = 116 /7 = 4 odd days Now, in November 26 = Jan - nov 26 = 330 days which means = 330/7 = 1 odd day Hence, total odd days are = 1 + 4 + 1 = 6 odd days Now, The code for days are= 0 is for Sunday 1 is for Monday 2 is for Tuesday 3 is for Wednesday 4 is for Thrusday 5 is for Friday 6 is for Saturday So, the code for 6 is Saturday.Hence, the day on 26 November 1994 is "Saturday.
Q25
Which of the following calendars will be the same as the calendar for the year 2009 ?
✓ Correct answer: b) 2015
ExplanationThe calendars for the years 2009 and 2015 are the same because both years are ordinary years.An ordinary year has 365 days and 1 odd day.The odd day is Sunday in 2009 and 2015. The calendars for the years 2025, 2036, and 2042 are not the same as the calendar for the year 2009 because they are leap years.A leap year has 366 days and 2 odd days.The first odd day is Saturday in 2025, Sunday in 2036, and Monday in 2042. The second odd day is Monday in 2025 and 2036, and Tuesday in 2042. Therefore, the correct answer is B. 2015.
Q26
If exactly 1 year and 2 days later it is Tuesday,then what day is it today? It is not leap year.
✓ Correct answer: c) Saturday
ExplanationIn this question, we have to find If exactly 1 year and 2 days later it is Tuesday, then what day is it today.It is not a leap year.1 year = 365 days (non leap year) So the total number of days = 365 + 2 = 367 days So, 367 is divided by 7 Then the remainder is 3 Therefore 1 year and 2 days later is Tuesday So, today's day ⇒ Tuesday - 3 = Saturday Hence, "Saturday" is the correct answer.
Q27
The fifteenth day of the month of June is a Saturday. What will be the last day of the next month which has 31 days?
✓ Correct answer: d) Wednesday
ExplanationHere, in the given question, we have to find out what will be the last day of the next month which has 31 days if the fifteenth day of the month of June is a Saturday.Given:- 15th June = Saturday Till 30 June = 15 days, 1 odd day 1st July to 31st July = 3 odd days Total 4 odd days.So, Saturday + 4 days = Wednesday Hence, Wednesday is the correct answer.
Q28
If today is Friday, which day will it be after 72 days?
✓ Correct answer: b) Sunday
ExplanationIn this question we have to find If today is Friday, which day will it be after 72 days.Total days = 72 When 72 is divided by 7 then the reminder is 2 So, The day after 72 days from today is = Friday + 2 = Sunday Hence, "Sunday" is the correct answer.
Q29
If 31 January 2009 was a Saturday, then what was the day of the week on 30 January 2013?
✓ Correct answer: b) Wednesday
ExplanationHere we have to find out the day of the week of 30 January 2013 according to the information given.Given-: 31 January 2009 = Saturday 30 January 2013 = ?The logic is as follows: Here, we are given different months, different years, and dates.Therefore, we will first calculate the days from 31 January 2009 to 31 January 2013 and then subtract 1 day from whatever day comes next.Now, here the date and month are the same, and only the year is different, hence we will find the difference in the year.(2013 - 2009) = 3 years are ordinary years, and 1 of them is a leap year (2012).Hence, 3 + 2 = 5 Hence, 5 days after Saturday = Saturday + 5 days = Thursday.But here we have to find the date of 30 January 2013. Therefore, Thursday – 1 day = Wednesday.Hence, Wednesday is the correct answer.
Q30
If the 29th day of January 1879 is Tuesday, then what day will be on 19 July 1879?
✓ Correct answer: d) Friday
ExplanationHere, in the given question, we have to find out what day will be on 19 July 1879. Given: The 29th day of January 1879 is a Tuesday Odd days from 29 January to 19 July = 2 + 0 + 3 + 2 + 3 + 2 + 19 = 31 days, 3 odd days = Tuesday + 3 = Friday Hence, Friday is the correct answer.
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