LCM and HCF Tes...

Three men start together to walk along a road at the same rate. The lengths of their strides are 68 cm, 51 cm and 85 cm. How far will they go before they are "IN STEP" again?

Find the smallest weight which can be divided into exact number of parcels weighing 9 kg, 12 kg, 16 kg and 18 kg.

The HCF and LCM of two numbers are 13 and 455 respectively. If one of the numbers lies between 75 and 125, find that number.

There are 408 boys and 312 girls in a school. They are to be divided into equal sections of either boys or girls alone. Find the total number of sections that can be formed.

Find the greatest number which will divide 1625, 2281 and 4218 leaving 8, 4 and 5 as remainders respectively.

There are 408 boys and 312 girls in a school who are to be divided into groups of either boys or girls alone with each group having the same strength. Find the largest number of boys or girls that can be placed in a group.

The LCM of two numbers is (a + b) and their HCF is k(a - b). If one of the numbers is 'k', then the other number is

Six bells commence tolling together and toll at the intervals of 2, 4, 6, 8, 10 and 12 seconds, respectively. How many times will they toll together in 30 minutes?

How many numbers less than 10,000 are divisible by each of the numbers 21, 36, 66?

There are 1323 peaches, 2457 apricots and 3024 apples are to be piled up into heaps of equal number of fruits, without mixing the different types. Find the greatest possible number of fruits in a heap.