Hello Aspirants. Welcome to Online Quants Quiz in AffairsCloud.com. Here we are creating question sample in **Simple Interest**, which is common for all the IBPS, RRB exam and other competitive exams. We have included Some questions that are repeatedly asked in exams !!

Questions Penned by Yohit

**A lent 2000rs to B at 8% annual rate of interest and some amount to C at same rate of interest for same period of time. If after 5 years, A got a total of 1500 rupee as interest. Find the sum lent to C.**

a) 1500

b) 1650

c) 1700

d) 1750Answer –**d) 1750**

**Solution:**1500 = 2000*(8/100)*5 + X*(8/100)*5**At what percent per annum will be SI on sum of money is equal to 3/5 of the amount in 5 years.**

a) 10%

b) 20%

c) 30%

d) 40%Answer –**c) 30%**

**Solution:**

Sol => SI = 3/5(SI +P)

(P*R*5)/100 = 3/5[(P*R*5)/100 + P]

R =30**Priya borrows 1000 rupees at the rate of 11% per annum on SI and rahul borrows 780 rupees at the rate of 15% per annum on SI. In how many years will the amount of debt of priya and rahul be equal.**

a) 31.3/7 yrs

b) 31.2/7yrs

c)32.1/7yrs

d) 32.2/7yrsAnswer –**a) 31.3/7 yrs**

**Solution:**

1000 + 1000*(11/100)*T = 780 + 780*(15/100)*T**The simple interest on a certain sum is 4/9 of the principal and the numbers of years is equal to the rate of interest. The rate of interest is.**

a) 20/3

b) 10/3

c) 13/3

d) 14/3Answer –**a) 20/3**

**Solution:**

4/9*P = P*R/100*R**A sum of 8000 rupees is divided between two people A and B at the rate of interest of 4% and 5% respectively. The total interest earned after 2 years is equal to 750. Then find the ratio of investment between A and B.**

a) 3:11

b) 5:11

c) 6:11

d) 7:11Answer –**b) 5:11**

**Solution:**

Let A get X rupees and B get 8000-X rupees.

750 = X*(4/100)*2 + (8000-X)*(5/100)*2

X =2500 and 8000-2500 = 5500

Ratio 5:11**A part of 2000 is lent at 6% per annum and rest sum is lent at 8% per annum. If total interest earned after 4 years is 500. Then the sum lent at 8%**.

a) 250

b) 350

c) 450

d) 550Answer –**a) 250**

Solution:

Let sum lent at 8% is X

500 = X*(8/100)*4 + (2000-X)*(6/100)*4**Sohan invested 20000 rupee in fixed deposit at the rate of 10% simple interest. After every 3 rd year he added interest to principal. Find the interest earned at the end of 6**^{th}year.

a) 7800

b) 8000

c) 7600

d) 8200Answer –**a) 7800**

**Solution:**

For the first 3 years SI will be = 20000*10/100*3 = 6000

Now he add 3000 to the principal i.e = 20000+6000 = 26000

Now interest earned at end of 6^{th}year = 26000*10/100*3 = 7800**A statue of 550BC is priced at 15000 rupees. But a person wants instalment on the statue. So he gaves 10000 rupee cash and make an instalment of rupees 650 for 8 months. Find the rate of interest charged by the shopkeeper.**

a) 4%

b) 6%

c) 8%

d) 10%Answer –**b) 6%**

**Solution:**

Total amount buyer pays = 10000 + 650*8 = 15200

So to find the interest rate, 200 = 5000*(8/12)*R/100

So r= 6%.**Rs. 12000 was invested for 2 years, partly in scheme A at the rate of 5% SI per annum and partly in scheme B at the rate of 8% SI per annum. The total interest received at the end was Rs.1800. What amount of money was invested in scheme A ?**

a) 2000

b) 1600

c) 3200

d) 4200Answer –**a) 2000**

**Solution:**

x *5*2/100 + (12000-x)*2*8/100 = 1800

x/10 + 192000-16x/100 = 1800

10x+192000-16x=180000

6x = 12,000

X=2000**A sum was put at a certain rate of interest for four years. Had it been put at a rate of interest 4% higher than the previous rate of interest, it would have fetched Rs. 80 more. What is the sum ?**

a) 450

b)500

c)700

d)475Answer –**b)500**

**Solution:**

x*4*(r+4)/100 – (x*4*r)/100 = 80

4xr+16x – 4xr = 8000

X = 8000/16 =500

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