The greatest common factor of two co-prime numbers will be

The sum of two and the product of 23 is 120. The sum of the areas will be:

The number between 4000 and 5000 that is divisible by each of 12, 18, 21 and 32 is 

The LCM of four consecutive numbers is 60 The sum of the first two numbers is equal to the fourth number. What is the sum of four numbers? 

On dividing 256a²b²c² by 64a², we get

What is the L.C.M of 12, 36, 6 and 9?

LCM of two numbers is 56 times their HCF, with the sum of their HCF and LCM being 1710. If one of the two numbers is 240, then what is the other number?

What is the L.C. M of  $$ {2\over 5},{3\over 10},{4\over 15}$$.