The LCM of two positive integers is twice the larger number and the HCF of the two numbers is 3. The smaller number is:

On dividing 256a²b²c² by 64a², we get

Which of the following numbers is divisible by 11?

The L.C.M and H.C.F of the two numbers are 84 and 21 respectively. If the numbers have a ratio of 1: 4, what is the larger number?

There are some boys and girls in a room. The square of the number of girls is 28 less than the square of the number of boys. If two more girls join then the number of boys and girls becomes equal, then what is the total number of boys and girls in the room?

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

The HCF of two numbers is 21 and their LCM is 840. If one of the numbers is 49, then the other number is:

The HCF of three numbers 98, 175 and 210 will be: