Others Maths Puzzle

For how many positive integers, N there are odd number of factors of N² + 3N + 13?

A. 0
B. 1
C. 2
D. 3

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Others Other Question

Number of factors of 12100 which are less than 110 but not factors of 110 is

A. 6
B. 7
C. 8
D. 9 Find the remainder when 6{(p - 4)!} is divided by p where p is a prime number greater than 2013.

A. 0
B. 1
C. p - 1
D. none of these