Out of an earning of Rs. 720 Ram spends 65 %. How much does he save?
Correct answer: C. Rs. 252
- A. Rs. 350
- B. Rs. 390
- C. Rs. 252
- D. Rs. 316
Explanation
Ram saves the remaining 100% − 65% = 35% of his Rs. 720 income. His saving is 35/100 × Rs. 720 = Rs. 252. Students may choose Rs. 390 by calculating the amount spent, 65% of Rs. 720, instead of the amount saved.
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About Percentages
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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