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    Question

    The average height of Nakul, Baneet, Preetam and Yash is

    20 cm, while the average height of Nakul, Preetam and Yash is 16 cm. If height of Manish is 25% more than that of Baneet, then find the average height of Baneet and Manish.
    A 21 cm Correct Answer Incorrect Answer
    B 36 cm Correct Answer Incorrect Answer
    C 28 cm Correct Answer Incorrect Answer
    D 30 cm Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    Total height of Nakul, Baneet, Preetam and Yash = 20 × 4 = 80 cm Total height of Nakul, Preetam and Yash = 16 × 3 = 48 cm Height of Baneet = 80 – 48 = 32 cm Height of Manish = 32 × (125/100) = 40 cm Required average = (32 + 40)/2 = 36 cm

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