7
Q:
A) Rs. 2000 | B) Rs. 2100 |
C) Rs. 1900 | D) Rs. 2150 |
Answer: A) Rs. 2000
Explanation:
Explanation:
Given,
Compound rate, R = 10% per annum
Time = 2 years
C.I = Rs. 420
Let P be the required principal.
A = (P+C.I)
Amount, A =
(P+C.I) =
(P+420) = P[11/10][11/10]
P-1.21P = -420
0.21P = 420
Hence, P = 420/0.21 = Rs. 2000