Who was the first Chief Minister of Uttar Pradesh?

The least number which when divided by 7, 12, 15 and 20 leave zero remainder in each case and when divided by 26 leaves a remainder of 4 is:

The least number which when divided by 6,18 and 20 leave a same remainder 3 in each case? 

Find the greatest number of 4 digits divisible by 15, 25, 40 and 75.

If the product of two numbers is 350 and their HCF is 10, then find the LCM of the given two numbers.

Two numbers are in the ratio 2:7. The product of their H.C.F. and L.C.M. is 5054. The sum of the numbers is:

The L.C.M of a² – 2a – 3 and a³ + a² + a + 1 is 

The HCF and LCM of two natural numbers are 6 and 36, respectively. What is the difference between the two numbers, if one of the numbers is 18?

The ratio of two numbers is 12:14 and their LCM is 168. The numbers are:

Find the least number of four digits which is exactly divisible by 5, 15 and 25?