A sum amounts to Rs.4851 in 2 years at the rate of 5% p.a. If interest was compounded yearly then what was the principal?
Choose the correct choice:
A) s . 4000
B) s . 5000
C) s . 4400
D) s . 4800
E) s . 5800

Rationale: "ci = 4851 , r = 5 , n = 2 ci = p [ 1 + r / 100 ] ^ 2 = p [ 1 + 5 / 100 ] ^ 2 4851 = p [ 21 / 20 ] ^ 2 4851 [ 20 / 21 ] ^ 2 4400 answer : c"
Answer: C