Let x and y be two different digits. If the sum of the two digit numbers formed by using both the digits is a perfect square, then value of x+y is

Write the greatest 6-digit number formed by three different digits.

Find the greatest number of two digits which is a perfect square.

The sum of 3 digits numbers that can be formed using the digits 3,4 and 5 when repetition of digits is not allowed is

The number of seven digit integers, with sum of the digits equal to 10 and formed by using the digits 1, 2 and 3 only, is

The number of seven digit integers, with sum of the digits equal to 10 and formed by using the digits 1, 2 and 3 only, is

The sum of all five digit numbers formed with the digits 1,2,3,4,5 without repetition of digits are

Number of 5-digit numbers can be formed using the digits 2,4,7,9,0 if no digit is repeated :

If the number of 7 digit numbers whose sum of the digits is equal to 10 and which is formed by using the digits 1, 2 and 3 only is K, then the value of (K+46)/(100) is

The sum of all 4 digit numbers that can be formed by using the digits 2, 4, 6, 8. (repetition of digits is not being allowed)

The sum of the digits of a two digit number is 5. If the digits are reversed, the number is reduced by 27. Find the number.