Find the largest four-digit number which when divided by each of 18, 21 and 24 leaves a remainder of 7.
What is the HCF of 4/5, 6/8, 8/25 ?
The ratio of two number is 6 : 5 and their HCF is 15. So find and their LCM?
How many pairs of natural numbers (x, y) exist such that x>y and the product of x, y and HCF (x, y) = 2520? solve this
If HCF of two numbers is 11 then which of the following can never be their LCM?
A, B and C start running at the same time and at the same point in the same direction in a circular stadium. A completes a round in 720 seconds, B in 10...
Two numbers are in the ratio 2:8. The product of their H.C.F. and L.C.M. is 3600. The sum of the numbers is:
The HCF and the LCM of two numbers are 5 and 175, respectively. If the ratio of the two numbers is 5:7, the larger of the two numbers is _______.