A digital signature provides which of the following

If 65x is a three-digit number and it is divisible by 6, what can be the value of the digit x?

Find the smallest positive integer n such that 6n + 5 is divisible by 7.

The greatest number that will divide 398, 437 and 5425 leaving 7, 12 and 2 as remainders, respectively, is:

. Which of the following numbers is divisible by 24?

Find the smallest number divisible by 36, 48, and 60 that is greater than 2000.

x + 5x – 2x – 24 has a zero at x = 6. Find the other zeros.

How many numbers between 100 and 500 are divisible by both 4 and 6?

Find the greatest value of (a + b) such that an 8-digit number 4523a60b is divisible by 15.