Aptitude - Banker's Discount - Discussion
Discussion Forum : Banker's Discount - General Questions (Q.No. 12)
12.
The true discount on a bill of Rs. 540 is Rs. 90. The banker's discount is:
Answer: Option
Explanation:
P.W. = Rs. (540 - 90) = Rs. 450.
S.I. on Rs. 450 = Rs. 90.
| S.I. on Rs. 540 = Rs. |  |
90 | x 540 |  |
= Rs. 108. |
| 450 |
B.D. = Rs. 108.
Discussion:
12 comments Page 1 of 2.
Anjum Bano said:
8 years ago
In a simple way,
By formula;
Sum(face value) = 540 & TD = 90.
We know that,
F = (BD*TD)/(BD-TD).
=> 540 = (BD * 90)/(BD-90),
=> 6BD - 540 = BD.
BD = 108 = Bankers discount.
By formula;
Sum(face value) = 540 & TD = 90.
We know that,
F = (BD*TD)/(BD-TD).
=> 540 = (BD * 90)/(BD-90),
=> 6BD - 540 = BD.
BD = 108 = Bankers discount.
(2)
Priyanka said:
1 decade ago
Given Data:
TD=90
Amount = 540
BD==?
We know that Amount = BD*TD/BD-TD
540 = BD*90/BD-90
540BD-48600 = 90BD
Answer = 108.
Have a nice day:).
TD=90
Amount = 540
BD==?
We know that Amount = BD*TD/BD-TD
540 = BD*90/BD-90
540BD-48600 = 90BD
Answer = 108.
Have a nice day:).
(1)
Sakthivel said:
10 years ago
A simple way:
P.W = Amount-TD.
P.W = 450.
B.G = (TD)^2/PW.
B.G = 8100/450 = 18.
B.G = 18.
B.G = BD-TD.
BD = B.G+TD.
BD = 18+90.
BD = 108.
P.W = Amount-TD.
P.W = 450.
B.G = (TD)^2/PW.
B.G = 8100/450 = 18.
B.G = 18.
B.G = BD-TD.
BD = B.G+TD.
BD = 18+90.
BD = 108.
(1)
Manisha roy said:
2 decades ago
what is d full form of P.W. and S.I.
Mangesh said:
2 decades ago
S.I. can be Simple Interest
Swati said:
2 decades ago
wht is P.W
Rocks said:
2 decades ago
P.W. stands for present worth and S.I for simple interest.
Hitesh said:
1 decade ago
present worth =present cost of item
Anjana said:
1 decade ago
What does T.D. mean ?
BhargaV said:
1 decade ago
@Anjana
T.D. means true discount.
@All
Look important formula at left side.
http://www.indiabix.com/aptitude/bankers-discount/formulas
T.D. means true discount.
@All
Look important formula at left side.
http://www.indiabix.com/aptitude/bankers-discount/formulas
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