Aptitude - Banker's Discount - Discussion

Discussion Forum : Banker's Discount - General Questions (Q.No. 2)
2.
The banker's discount on Rs. 1600 at 15% per annum is the same as true discount on Rs. 1680 for the same time and at the same rate. The time is:
3 months
4 months
6 months
8 months
Answer: Option
Explanation:

S.I. on Rs. 1600 = T.D. on Rs. 1680.

Rs. 1600 is the P.W. of Rs. 1680, i.e., Rs. 80 is on Rs. 1600 at 15%.

Time = 100 x 80 year = 1 year = 4 months.
1600 x 15 3

Discussion:
33 comments Page 2 of 4.

Mithun pk said:   7 years ago
I think T.D is 1600 and B.D is 1680.

Then based on T.D formula this can be solved.

Navaraj said:   7 years ago
Why 1600 is taken in time calculation?

If Td is 1680.

Anisha said:   1 decade ago
What is S.I.? And what is time's formula?

ABCD said:   8 years ago
@Jiten.

S.I is Simple Interest.

Shanthi said:   8 years ago
I'm not getting the answer. Can anyone explain me clearly?

Jiten said:   9 years ago
What is S.I?

Hari prasad said:   9 years ago
1600 in 15% = 240.
1680 - 1600 = 80,
80/240 = 1/3.

So, the answer is 12 months * 1/3 = 4months.

Anna said:   9 years ago
From, where the value of 100 comes?

Naaz said:   9 years ago
Can anyone explain me clearly, how did that 80 came?

Prateek said:   1 decade ago
P.W. stands for?

What is True Discount?


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