Aptitude - True Discount - Discussion
Discussion Forum : True Discount - General Questions (Q.No. 12)
12.
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:
Answer: Option
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.
T.D. = Rs. (960 - 750) = Rs. 210.
Thus, S.I. on R.s 750 for 2 years is Rs. 210.
| Rate = |
 |
100 x 210 |  % |
= 14% |
| 750 x 2 |
Discussion:
13 comments Page 1 of 2.
Dhanesh said:
1 decade ago
Never use short form, because it creats problem while understanding like PD, PW Etc, just mentioned clear step so that person who is weak in maths can also understand what is happening. Or even who has not studied bcom can understand.
Deepesh said:
9 years ago
S.I = PW * r * t /100.
T.d = amount * r * t/100 + r * t.
As given S.I = T.d .
750 * r * 2/100 = 960 * r * 2 / 100 + r * 2.
R = 14.
T.d = amount * r * t/100 + r * t.
As given S.I = T.d .
750 * r * 2/100 = 960 * r * 2 / 100 + r * 2.
R = 14.
(2)
Anil kumar said:
1 decade ago
If the rate of intrest and true discount is same then it is not enough to calculate the rate of intrest to get the answer.
D Priya said:
8 years ago
It is said that SI = TD.
So we can calculate the rate by comparing this equality given in this question.
So we can calculate the rate by comparing this equality given in this question.
Aparna said:
1 decade ago
What is the formula for are how can I calculate that help me please?
(1)
Praveen reddy said:
9 years ago
I am satisfied with your answer. Thanks, @Deepesh.
Priya said:
9 years ago
How we say that p.w of Rs.960 is Rs.750?
(1)
Kelvin said:
1 decade ago
Can you help me out in this prob?
Vika said:
1 decade ago
But it is the simple interest?
Vishal said:
10 years ago
Is there any other method?
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