There are five comics numbered from 1 to 5. In how many ways can they be arranged, so that part-1 and part-3 are never together?
Correct Answer : B
If x is a number satisfying 2 < x < 3 and y is such that 7 < y < 8, which of the following expressions will have the largest value?
Given that a and b are integers. then ab(a2 − b2)(a2 + b2) is divisible by
Three consecutive positive even numbers are such that thrice the first numberexceeds double the third by 2; then the third number is: