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N is an integer and N>2, at most how many integers among N+2,N+3,N+4,N+5,N+6 and N+7 are prime integers?
a)1
b)3
c)2
d)4

Read Solution (Total 3)

c)2

max 2 integers among N+2,N+3,N+4,N+5,N+6 and N+7 are prime integers.
12 years agoHelpfull: Yes(23) No(8)

let N=3
then among 5,6,7,8,9,10
only 2 are prime integer
12 years agoHelpfull: Yes(13) No(2)
TAKE N=3,4,5,6,7
PRIME NO ARE 2
12 years agoHelpfull: Yes(1) No(2)

TCS Other Question

The prime factorization of integer N is A*A*B*C where A, B and C are all distinct prime integers. How many factors does N have?
a)12
b)24
c)4
d)6
If p(x)=ax^4+bx^3+cx^2+dx+e has roots at x=1,2,3 and 4, and p(0)=48, what is p(5)
a)48
b)24
c)0
d)50