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Let \(R={a,b,c,d,e}\) and\(S={1,2,3,4}\). Total number of onto function \(f:R\to S\) such that \(f(a)\neq 1\), is equal …

Q1

Let \(R={a,b,c,d,e}\) and\(S={1,2,3,4}\). Total number of onto function \(f:R\to S\) such that \(f(a)\neq 1\), is equal to ____

[JEE Main 2023, 8 Apr (Shift 2)]

a

121

b

145

c

180

d

210

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