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- Question
If Rs.20 is the True Discount on Rs260due after a certain time.What wil be true discount on the same sum due after half of the former time, the rate of interest being the same?
Options- A. Rs.9.40
- B. Rs.10.14
- C. Rs.10.40
- D. Rs.9.14
- Correct Answer
- Rs.10.40
ExplanationSimple Interest on Rs. (260-20) for a gven time= Rs.20
Simple Interest on Rs. (260-20) for a half time = Rs.10
True Discount on Rs.250 = Rs.10
True Discount on Rs.260 = Rs.[(10/250) x 260] = Rs. 10.40
- 1. If a cellphone is purchased for Rs.490 and sold for Rs.465.50 find the loss percentage?
Options- A. 10
- B. 5
- C. 20
- D. 15 Discuss
- 2. If the true discount on sum due 2 years hence at 14% per annum be Rs. 168, the sum due is
Options- A. Rs. 600
- B. Rs. 768
- C. Rs. 878
- D. Rs. 668 Discuss
- 3. In what time a debt of Rs.7920 due may be cleared by immediate cash down payment of Rs.3600 at 1/2% per month
Options- A. 10years
- B. 20years
- C. 30years
- D. 40years Discuss
- 4. The true-discount on Rs.2480 due after a certain period at 5% is Rs.80. Find the due period.
Options- A. 6months
- B. 5months
- C. 8months
- D. 3months Discuss
- 5. The true discount on a bill due 9 months hence at 12% per annum is Rs. Find the amount of the bill and its present worth.
Options- A. 1500
- B. 1600
- C. 6200
- D. 6000 Discuss
- 6. A bill falls due in 1 year.The creditor agrees to accept immediate payment of the half and to defer the payment of the other half for 2 years.By this arrangement ins Rs.40.what is the amount of the bill,if he money be worth 12.5%?
Options- A. 1200
- B. 3000
- C. 3600
- D. 1300 Discuss
- 7. The True discount on Rs1760 due after a certain time at 12% per annum is Rs160. The time after which it is due is?
Options- A. 15months
- B. 5months
- C. 12months
- D. 10months Discuss
- 8. The interest on Rs.750 for 2yrs is the same as the True Discount on Rs.960 due 2yrs hence . If the rate of interest is same in both cases,it is:
Options- A. 12%
- B. 14%
- C. 15%
- D. 16 Discuss
- 9. A has to pay Rs.220 to B after 1yr. B asks A to pay Rs.110 in cash and defer the payment of Rs.110 for 2 yrs. A agrees to it. If the rate of interest be 10% per annum in this mode of payment:
Options- A. A gains Rs.11
- B. There is No gain or loss
- C. A losses 7.43
- D. A gains Rs. 7.34 Discuss
- 10. The true discount on a certain sum of money due 3 year hence is Rs.100 and the S.I. on the same sum for the same time and at the same rate is Rs.120. Find the sum and the rate percent.
Options- A. (6 + 2/3)%
- B. (5+ 2/3)%
- C. (2+ 2/3)%
- D. (4+ 2/3)% Discuss
True Discount problems
Search Results
Correct Answer: 5
Explanation:
loss = C.P - S.P = 490 - 465.50 =24.50
loss % = (loss x 100)/C.P = (24.50 x 100)/490 = 5%
Correct Answer: Rs. 768
Explanation:
We know that,
P.W = 100×T.D/R×T
= 100×168/14×2
P.W = 600.
Now, required Sum = (P.W. + T.D.)
= Rs. (600 + 168)
= Rs. 768.
Correct Answer: 20years
Explanation:
PW =
Correct Answer: 8months
Explanation:
P.W= Amount ? (T.D)
Time =
Correct Answer: 6000
Explanation:
Let amount be Rs. x.
Then, [X * R * T] / [100+(R * T)]
x= Rs.6540
Amount = Rs. 6540.
P.W. = Rs. (6540 ? 540) =Rs. 6000.
Correct Answer: 3600
Explanation:
Let the sum be Rs. x. Then,
(x/2)+(2x/5)-(8x/9) = 40
x=3600.
Therfore, amount of bill=Rs. 3600.
Correct Answer: 10months
Explanation:
P.W = Rs. (1760 - 160) = Rs.1600
S.I on Rs.1600 at 12% is Rs. 160
Time = (100 x 160)/(1600 x 12) = 5/6 years = (5/6) x 12 months = 10 months
Correct Answer: 14%
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
Therefore , T.D= Rs. (960 - 750) = Rs. 210
Thus, S.I on Rs. 750 for 2 years is Rs. 210
Rate =[ (100 x 210) / (750 x 2) ] % = 14%
Correct Answer: A gains Rs. 7.34
Explanation:
A has to pay = Present worth of Rs220 due 1yr hence
= Rs.[(220 x 100)/100+(10 x 1)] = Rs.200
A actually pays = Rs.110+PW of Rs.110 due 2 yrs hence
= [110+(110 x 100)] / [100+(10 x 2)] = Rs.192.66
So, A gains Rs. (200-192.66) = Rs.7.34
Correct Answer: (6 + 2/3)%
Explanation:
Sum ? Amount
A = (SI x TD)/(SI - TD)
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