New RBI Grade B 2025 Notification will come Soon! Enroll Here

    Question

    Average weight of Shikhar, Rohit and Virat is 72 kg.

    Hardik joins the group and the average now becomes 65 kg. If Dhoni whose weight is 8 kg more than that of Hardik replaces Shikhar then the average weight of Rohit, Virat, Hardik and Dhoni becomes 53 kg. The weight of Shikhar (in kg) is
    A 54 Correct Answer Incorrect Answer
    B 58 Correct Answer Incorrect Answer
    C 52 Correct Answer Incorrect Answer
    D 56 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    According to the question, Average weight of Shikhar, Rohit and Virat = 72 kg Total weight of Shikhar + Rohit + Virat = 72 × 3 = 216 kg . Total weight of Shikhar + Rohit + Virat + Hardik = 65 × 4 = 260 kg -------(i) Weight of Hardik = 260 – 216 = 44 kg Weight of Dhoni = 44 + 8 = 52 kg Average weight of Rohit, Virat, Hardik and Dhoni = 53kg Total weight of Rohit + Virat + Hardik + Dhoni = 53 × 4 = 212 kg ................. (ii) Deducting  (i) from (ii), Dhoni -  Shikhar = 212 – 260 52 – Shikhar = -48 Weight of Shikhar = 52 +48 kg = 100kg

    Practice Next

    Relevant for Exams: