The product of the LCM and HCF of two numbers is 24. The difference of the two numbers is 2. Find the numbers? 

The LCM of two consecutive even numbers is 144, find the numbers?

The largest 4 - digit number exactly divisible by each of 12, 15, 18 and 27 is : 

A six digit number is formatted by repeating a three digit number: for example, 256, 256 or 678, 678 etc. Any number of this form is always exactly divisible by:

The H.C.F. of two numbers is 8. Which one of the following can never be their L.C.M? 

When a number is divided by 15, 20 or 35, each time the remainder is 8. Then the smallest number is 

Three sets of English, Mathematics and Science books containing  336, 240, 96 books respectively have to be stacked in such a way that all the books are stored subject wise and the height of each stack is the same. Total number of stacks will be: 

What is the highest common factor of 2x³ + x² -x -2 and 3x³- 2x² + x - 2 ?