What is the minimum number of four digits formed by using the digit 2, 3, 0, 7?

38649 – 1624 – 4483 = ?

587 x 999 = ?

The HCF of two numbers is 11 and their LCM is 7700. If one of these numbers is 275, then the other one is 

The H.C.F. and L.C.M. of two numbers are 50 and 250 respectively. If the first number is divided by 2, the quotient is 50. The second number is

A rectangular courtyard 3.78 metres long and 5.25 metres wide is to be paved exactly with square tiles, all of the same size. What is the largest size of the tile which could be used for the purpose?

Which greatest number will divide 3026 and 5053 leaving remainders 11 and 13 respectively?

Which greatest number will divide 3026 and 5053 leaving remainders 11 and 13 respectively?

The LCM of 148 and 185 is

The number of prime factors in the expression (6)10 x (7)17 x (11)27 is

The H.C.F and L.C.M of two numbers are 44 and 264 respectively. If the first number is divided by 2, the quotient is 44. The other number is