12.The banker's discount on a sum of money for 1 years is Rs. 558 and the true discount on the same sum for 2 years is Rs. 600. The rate percent is:
A. 10% B. 13%
C. 12% D. 15%
Answer: Option C
Explanation:
B.D. for years
|
= Rs. 558.
|
B.D. for 2 years
|
|
|
= Rs. 744
|
T.D. for 2 years = Rs. 600.
Sum =
|
B.D. x T.D.
|
= Rs.
|
|
744 x 600
|
|
= Rs. 3100.
|
B.D. - T.D
|
144
|
Thus, Rs. 744 is S.I. on Rs. 3100 for 2 years.
