quiz

1. A sum of money at simple interest amounts to ₹ 815 in 3 years and to ₹ 854 in 4 years. What is the sum?
A. ₹ 650
B. ₹ 700
C. ₹ 698
D. ₹ 690

Answer: Option C
Explanation:
SI for 1 year = 854 − 815 = 39
SI for 3 years = 39 × 3 = 117
Required sum = 815 − 117 = 698

2.A sum fetched a total simple interest of ₹ 929.20 at the rate of 8 % per annum in 5 years. What is the sum?
A. ₹ 2353
B. ₹ 1223
C. ₹ 2563
D. ₹ 2323

Answer: Option D
Explanation:
P = 100 × SI RT = 100 × 929.20 8 × 5 = 2323

1. How much time will it take for an amount of ₹ 900 to yield ₹ 81 as interest at 4.5 % per annum of simple interest?
A. 1 year
B. 2 years
C. 3 years
D. 4 years

Answer: Option B
Explanation:
T = (100×SI)/PR = (100×81)/ 900 × 4.5 = 2