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    Question

    Nikhil spends x% of his salary on rent, then 30% of the

    balance on groceries, pays Rs. 6600 for transport, and saves Rs. 5496 from a total income of Rs. 27000. Find x.
    A 24 Correct Answer Incorrect Answer
    B 12 Correct Answer Incorrect Answer
    C 42 Correct Answer Incorrect Answer
    D 36 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    ATQ, 27000 ├Ч {(100 тИТ x)/100} ├Ч (70/100) тИТ 6600 = 5496 = 27000 ├Ч 70/10000 ├Ч (100 тИТ x) тИТ 6600 = 5496 = 189 ├Ч (100 тИТ x) тИТ 6600 = 5496 18900 тИТ 189x тИТ 6600 = 5496 12300 тИТ 189x = 5496 189x = 12300 тИТ 5496 = 6804 x = 6804/189 = 36

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