True Discount - General Questions
| 1. | If the true discount on s sum due 2 years hence at 14% per annum be Rs. 168, the sum due is: |
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Answer: Option A Explanation:
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Sum = (P.W. + T.D.) = Rs. (600 + 168) = Rs. 768.| 2. | The present worth of Rs. 1404 due in two equal half-yearly installments at 8% per annum simple interest is: |
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Answer: Option A Explanation:
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| 3. | The simple interest and the true discount on a certain sum for a given time and at a given rate are Rs. 85 and Rs. 80 respectively. The sum is: |
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Answer: Option C Explanation:
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| 4. | The interest on Rs. 750 for 2 years is the same as the true discount on Rs. 960 due 2 years hence. If the rate of interest is the same in both cases, it is: |
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Answer: Option B Explanation: S.I. on Rs. 750 = T.D. on Rs. 960. This means P.W. of Rs. 960 due 2 years hence is Rs. 750.
Thus, S.I. on R.s 750 for 2 years is Rs. 210.
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| 5. | Rs. 20 is the true discount on Rs. 260 due after a certain time. What will be the true discount on the same sum due after half of the former time, the rate of interest being the same? |
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Answer: Option B Explanation: S.I. on Rs. (260 - 20) for a given time = Rs. 20. S.I. on Rs. 240 for half the time = Rs. 10. T.D. on Rs. 250 = Rs. 10.
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| 6. | The present worth of Rs. 2310 due 2 |
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Answer: Option B Explanation: P.W. = Rs.
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years hence, the rate of interest being 15% per annum, is:| 7. | The true discount on Rs. 1760 due after a certain time at 12% per annum is Rs. 160. The time after which it is due is: |
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Answer: Option D Explanation: P.W. = Rs. (1760 -160) = Rs. 1600.
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| 8. | A man buys a watch for Rs. 1950 in cash and sells it for Rs. 2200 at a credit of 1 year. If the rate of interest is 10% per annum, the man: |
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Answer: Option B Explanation:
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