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A man donated 5 % of his income to a charitable organization and deposited 20 % of the remainder in a bank. If he now has Rs. 1919 left, what is his income?

Correct answer: B. Rs. 2525

  • A. Rs. 2558. 60
  • B. Rs. 2525
  • C. Rs. 2500
  • D. Rs. 2300

Explanation

After donating 5% of his income, 95% remains; depositing 20% of that leaves 80% of 95%, or 76% of the income. Thus 0.76 x income = Rs. 1,919, so income = Rs. 1,919 / 0.76 = Rs. 2,525. Option c, Rs. 2,500, results from rounding or from subtracting 5% and 20% directly instead of taking 20% of the remainder.

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Percentages express a quantity as parts per hundred and support calculations involving increases, decreases, discounts, commissions, taxes, and successive changes. Questions require distinguishing percentage change from percentage points and identifying the original value when a final value and its percentage change are given.

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