CAT
Exam
let n!=1*2*3*---*n for integer n>=1.If p=1!+(2*2!)+(3*3!)+----+(10*10!),then p+2 when divided by 11! leaves a remainder of
1) 10
2) 0
3) 7
4) 1
Read Solution (Total 1)
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- (2-1)!+(3-1)*2!+(4-1)*........
1+11!
ans 1 - 11 years agoHelpfull: Yes(0) No(5)
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