New Enroll in RBI Grade B New Batch - Starts on May 21

    Question

    Two numbers are, respectively, 10% and 25% more than the

    third number. The ratio of the two numbers is:
    A 22 : 25 Correct Answer Incorrect Answer
    B 19 : 25 Correct Answer Incorrect Answer
    C 23 : 25 Correct Answer Incorrect Answer
    D 18 : 25 Correct Answer Incorrect Answer

    Solution

    let the third number be p A = p + 10% of p ⇒ A = 110p/100 = 11p/10 B = p + 25% of p ⇒ B = 125p/100 = 5p/4 ⇒ A : B = 11p/10 × 4/5p ⇒ A : B = 22 : 25 ∴ The ratio of A and B is 22 : 25

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