The number of pairs of positive integers whose sum is 99 and HCF is 9 is: 

A milkman has 75 litres milk in one cane and 45 litres in another. The maximum capacity of container which can measure milk of either container exact number: 

Find the least multiple of 23, which when divided by 18, 21 and 24 leaves the remainder 7, 10 and 13 respectively.

The HCF of two numbers, each having three digits, is 17 and their LCM is 714. The sum of the numbers will be: 

The ratio of HCF and LCM of two numbers a and b is 1:30 and the difference between the HCF and LCM is 493. Find the possible number of pairs of a and b.

The sum of two numbers is 232 and their HCF is 29. What is the numbers of such pairs of numbers satisfied the above condition?

What is the minimum number of square marbles required to tile a floor of length 5 meters 78 cm. and width 3 meters 74 cm?  

The HCF and LCM of two numbers are 12 and 336 respectively. If one of the number is 84, the other is