Find the smallest 5-digit number which when divided by 15, 20 and 25 leaves remainders 7, 12 and 17, respectively.

Answer: Option B

Five-digit smallest number = 10000
Five-digit system number which is exactly divisible by 20, 25, 15 and leaves remainder 12, 17, 7 - means gap = 20 - 12 = 25 - 17 = 15 - 7 = 8

⇒ 10000 + 200 - 8 = 10192 Answer