The sum and products of two numbers are 12 and 35 respectively. The sum of their reciprocals will be:

A number divided by 52 gives remainder 45. If the number divided by 13 , the remainder will be :

$$\left( {{3^{25}} + {3^{26}} + {3^{27}} + {3^{28}}} \right)$$     is divisible by :

What is the least number which when divided by 5, 6, 7 and 8 leaves a remainder 3, but when divided by 9 leaves no remai…

The sum of the digits of two-digit number is 10, while when the digits are reversed, the number decrease by 54. Find the…

The sum of two numbers is 18. The greatest product of these two number can be:

If A381 is divisible by 11, find the value of the smallest natural number A?

The smallest number of four digits which on division by 4, 6, 10 and 15 leaves a remainder 2 in each case is: