4
Q:

# What annual installment will discharge a debt of Rs. 1092 due in 3 years at 12% S.I?

Q:

Manju borrows Rs.5000 for 2 years at 4% p.a. simple interest from Sudha. She immediately lends it to another person at 6 1⁄4% p.a for 2 years. Find her gain in the transaction per year.

 A) Rs. 101 B) Rs. 98.5 C) Rs. 124.3 D) Rs. 112.5

Explanation:

Manju borrows Rs. 5000 for 2 years at 4% p.a. simple interest

She also lends it at 6 1⁄4% p.a for 2 years

=> Total Gain = 6 1/4% − 4% = 2 1/4%

So her gain in the transaction for 1 year

= The simple interest she gets for Rs.5000 for 1 year at 2 1⁄4% per annum

$\fn_jvn \small \frac{PTR}{100}=\frac{5000x\frac{9}{4}x1}{100}$ = Rs. 112.5/ year.

4 54
Q:

Ronika deposited Rs.7000 which amounted to Rs.9200 after 3 years at simple interest. Had the interest been 2% more. She would get how much ?

 A) 9850 B) 9500 C) 9620 D) 9760

Explanation:

As the interest rate increases by 2%
=> (7000x3x2)/100 = 420
9200
--------
9620

3 106
Q:

If J is the interest on K and K is the interest on L, the rate and time is the same on both the cases. What is the relation between J, K and L  ?

 A) JxJ = KL B) KxK= JL C) LxL = JK D) JKL = 1

Explanation:

Let the Time be 'N' and Rate be 'R'

J = (K x NR)/100 K = (L x NR)/100

J/K = NR/100 K/L = NR/100

J/K = K/L

$\inline \fn_jvn K^{2}$ = JL

4 72
Q:

At what rate percent on simple interest will Rs.415 amount to Rs.514 in 4 years  ?

 A) 4.58 % B) 5.96 % C) 6.52 % D) 4.98 %

Explanation:

Difference in amount = 514 - 415 = 99

99 = (415 x 4 x R)/100

R = 5.96%

3 67
Q:

A sum of money at simple interest amounts to Rs. 415 in 2 years and to Rs. 514 in 4 years. The sum is ?

 A) Rs. 316 B) Rs. 251 C) Rs. 154 D) Rs. 294