Which of the following must be used with the mouse when

If a nine-digit number 785x3678y is divisible by 72, then the value of (x − y) is:

A number n when divided by 6, leaves a remainder 3. What will be the remainder when (n² + 5n + 8) is divided by 6?

Find the greatest number 23a68b, which is divisible by 3 but NOT divisible by 9.

Find the smallest number divisible by 45, 60, and 75 that is greater than 1500.

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

If a nine-digit number 89563x87y is divisible by 72, then the value of √ (5x -4y) will be ∶

Find the least 4-digit number which is when divided by 14, 18, and 35 leaves a remainder of 13 in each case.

Which one of the following numbers is divisible by 11?

Which of the following numbers will completely divide 4¹² + 4¹³+ 4¹⁴ + 4¹⁵ + 4¹⁶?

When a number is divided by 16, the quotient is 175, and the difference between the quotient and the remainder is 161. Find the number.