Elitmus Exam Numerical Ability Number System

A natural number has exactly 10 divisors including 1 and itself . how many distinct prime factors can this natural number have

(a) either 1 or 2 (b)1 or 3 (c)either 2 or 3 (d) either 1, 2 or3

Read Solution (Total 5)

Elitmus Other Question

how many values of c in equation x^2-5x+c result rational roots which are integers.

(a) 1 (b) 3 (c) 6 (d) infinite
how many numbers are there below 1000 which are neither perfect square nor perfect cube?

A) 961
B)958
c)955
D) not remb