- 1. Certain loan amount was repaid in two annual installments of Rs.1331/- each. If the rate of interest be 10% per annum Compounded annually the sum borrowed was?

A.Rs.121/-

B.Rs.2130/-

C.Rs.2310/-

D.Rs.1331/-

Answer & Explanation

Answer: Option C

Explanation:Principal = (P.W of Rs. 1331/- due 1 year hence) + (P.W of Rs. 1331/- due 2 years hence)

= [1331/(1 + 10/100) + 1331/(1 + 10/100)

^{2}]

= [1331/(110/100) + 1331/(110/100 × 110/100)]

= 13310/11 + 133100/121 = 1210 + 1100 = Rs.2310/-

- 2. A sum of money deposited at C.I. amounts to Rs.3650 in 2 years and to Rs.4015 in 3 years. Find the rate percent?

A.10%

B.15%

C.20%

D.25%

Answer & Explanation

Answer: Option A

Explanation:**3650 -------- 365**

100 -------- ? (10%)

100 -------- ? (10%)

- 3. The difference between simple interest and C.I. at the same rate for Rs.5000 for 2 years in Rs.72. The rate of interest is?

A.10%

B.12%

C.6%

D.8%

Answer & Explanation

Answer: Option B

Explanation:**5000 = 72(100/R)**

5 R

^{2}5 R

^{2}= 720 => R = 12- 4. Find the least number of complete years in which a sum of money put out at 25% compound interest will be more than double of itself?

A.1 year

B.6 years

C.2 years

D.4 years

Answer & Explanation

Answer: Option D

Explanation:**4 years**

- 5. Find the sum lend at C.I. at 5 p.c per annum will amount to Rs.441 in 2 years?

A.Rs.420

B.Rs.380

C.Rs.400

D.Rs.375

Answer & Explanation

Answer: Option C

Explanation:**441 = P(21/20)**

P = 400

^{2}P = 400

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