Where was the maiden flight-trial of the DRDO

Two numbers are in the ratio 3:7. The product of their H.C.F. and L.C.M. is 2541. The sum of the numbers is:

Calculate the Least Common Multiple (LCM) of the two highest prime numbers under 10.

The HCF and LCM of two natural numbers are 6 and 36, respectively. What is the difference between the two numbers, if one of the numbers is 18?

The product of two numbers is 8100 and their GCD is 45. What is the LCM?

The sum of two numbers is 96 and their HCF is 12. Total number of such pairs is?     

If the product of two numbers is 560 and their HCF is 8, find the LCM of those two numbers.

The HCF of two numbers is 48, and their LCM is 1440. If one of the numbers is 576, find the other number.

The ratio of two number is 13 : 10 and their HCF is 25. then find out their LCM?

The given numbers are in the ratio 2:5:6, and their highest common factor (HCF) is 15. Determine the least common multiple (LCM) of these numbers.