The greatest number which will divides: 4003, 4126 and 4249, leaving the same remainder in each case:

LCM of two numbers is 936. If their HCF is 4 and one of the numbers is 72, the other is

The rightmost non-zero digit of the number 30<sup>2720</sup> is

Which of following can never be ending of a perfect square?

It is being given that (2<sup>32</sup> + 1) is completely divisible by a whole number. Which of the followin…

The LCM of two numbers is 1890 and their HCF is 30. If one of them is 270, the other will be

What is the least number of square tiles required to pave the floor of a room 15 m 17 cm long and 9 m 2 cm broad?

If sum of two numbers be a and their product be b, then the sum of their reciprocals is :