general math MCQ #829

Find the least number which when divided by 35 leaves remainder 25, when divided by 25 leaves remainder 15 and when divided by 15 leaves remainder 5?

general math MCQ #829

  1. Question 1

    Q1. Find the least number which when divided by 35 leaves remainder 25, when divided by 25 leaves remainder 15 and when divided by 15 leaves remainder 5?

    • A) 420
    • B) 515
    • C) 435
    • D) 518

    Answer: 515

    Explanation: Each remainder is 10 less than its divisor, so the number = LCM(35,25,15) − 10 = 525 − 10 = 515.