When is the first harvest of geranium typically done

Three numbers are in the ratio 2:3:6 respectively. If the HCF of the numbers is 5, then find the LCM of the numbers.

The least number which when divided by 3, 9, 12 and 16 leave zero remainder in each case and when divided by 17 leaves a remainder of 8 is:

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

Find the greatest number that will divide 450, 575 and 400 without leaving a remainder.

The least number which when divided by 9, 12, 15, 18, and 21 leaves the same remainder 7 in each case, is:

Let N be the greatest number that will divide 72, 105, 138 leaving the same remainder in each case. Then sum of the digits in N is:

The HCF of two numbers is 17. If their product is 867, then how many such pairs exist?

The greatest number by which if 1468 and 2258 are divided the remainders will be 8 and 6 respectively, is:

Find the LCM of 36, 45, 60, 80.

What is the minimum number of square marbles required to tile a floor of length 2 metres 8cm and width 2 metres 86 cm?