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    Question

    src="https://www.ixambee.com/questionimage/Chapter/1748860776-14.JPG" alt="" />
    A 19 Correct Answer Incorrect Answer
    B 20.5 Correct Answer Incorrect Answer
    C 19.5 Correct Answer Incorrect Answer
    D 20 Correct Answer Incorrect Answer

    Solution

    ATQ, Given:

    LHS: 21.5 ÷ 5 = 4.3 21 ÷ 6 = 3.5 13.5 ÷ 15 = 0.9 → LHS = 4.3 + 3.5 − 0.9 = 6.9 RHS:

    → 6.9 − 17/30 = x/3 → 6.9 − 0.5667 = 6.3333 → x = 6.3333 × 3 = 19

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