How many 3 - digit numbers such that thesum of two of its digits is equal to thelargest digit ??

How many two digit numbers exist such that the product of two digit number and two digit number formed by reversing its digits end with 5.

How many 3-digit numbers are there with no digit repeated?

How many 3-digit numbers are there with no digit repeated?

How many 4 - digit numbers are there with no digit repeated ?

How many 4 -digit numbers are there with no digit repeated?

How many 3-digit number have exactly one of their digits as 5?

How many 3-digit number have exactly one of their digits as 5?

Find the two digit number equal to the triple sum of its digits .

How many two-digit numbers exist such that the difference of the squares of its digits is 24?