self Maths Puzzle

The banker's discount on a bill due 4 months hence at 15% is Rs. 420. The true discount is:

A. Rs. 400 B. Rs. 360
C. Rs. 480 D. Rs. 320

Read Solution (Total 1)

Answer: Option A

Explanation:

T.D.
= B.D. x 100
100 + (R x T)
= Rs. 420 x 100
100 + 15 x 1
3
= Rs. 420 x 100
105
= Rs. 400.
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self Other Question

Sachin is younger than Rahul by 7 years. If their ages are in the respective ratio of 7 : 9, how old is Sachin?

A. 16 years B. 18 years
C. 28 years D. 24.5 years
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:

A. 3 months B. 4 months
C. 6 months D. 8 months