Approximately how many athletes are participating in the

The LCM of two numbers is 432 and their HCF is 55. If one of the numbers is 132, the other number is:

What will be the greatest common divisor (GCD) of (x² - 8x + 15) and (x² - 11x + 30).

The product of two positive integers is 1620. If their HCF is 9 and their sum is 81, then find the difference between the numbers.

Sum of the two numbers is 32 and their HCF and LCM are 4 and 60, respectively. Find the sum of reciprocal of the given two numbers.

Let N be the greatest number that will divide 82, 105, 128 leaving the same remainder in each case. Then sum of the digits in N is:

The product of two numbers is 4,320 and their highest common factor is 24. Find the least common multiple of these two numbers.

Let N be the greatest number that will divide 89, 110, 131 leaving the same remainder in each case. Then sum of the digits in N is:

LCM and HCF of two numbers are respectively 3 and 18. If one of them is 9, find the other number.

Find the smallest number that leaves 16 as remainder when divided by both 28 and 42.

The greatest number of four digits which when divided by 10, 12, 14 leave remainders 8, 10, 12 respectively is: