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Find the largest number that divides 400, 500, and 600, leaving remainders 10, 20, and 30 respectively.

If the seven-digit number 52A6B7C is divisible by 33 and A, B, C are primes then the maximum value of 3A+2B+5C?

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

What are the last two digits of 56²⁸³ x 141²⁸³ × 125²⁵⁴?

Which of the following numbers is divisible by 22?

Find the smallest 4-digit number which when divided by 10, 15, 20, 25, 30 leaves remainder 9.

Find the quotient of 0.36 ÷ 0.48 (correct to three decimal places).

When a natural number 'n' is divided by 4, the remainder is 3. What will be the remainder when (2n + 3) is divided by 4?

21 is divided into three parts which are in arithmetic progression (A.P.) in such a way that the sum of their square is 155. Find the smallest part.