Question

The banker's discount on a sum of money for 2.5 years is Rs. 1125 and the true discount on the same sum for 2 years is Rs.800. The rate percent is:​

Answer 1

Answer:

20%

Here,

BD = Banker's discount and TD = True discount.

∴ According to question;

BD for (

2

3

)years=600

∴ BD for 3 years = 1200

Now, BD = 1200, TD = 750 and Time = 3 years

∴ Sum =

B.D - T.D

B.D X T.D

=[

450

1200×750

]=2000

∴ Rs1200 is S.I on Rs 2000 for 3 years

So, rate = [

200×3

100×1200

]%=20%