## Interest MCQ’S

## Results

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### #1. Find the simple interest on Rs. 5200 for 2 years at 6% per annum.

**Option D**

### #2. Rs. 1200 is lent out at 5% per annum simple interest for 3 years. Find the amount after 3 years.

**Option A**

### #3. Interest obtained on a sum of Rs. 5000 for 3 years is Rs. 1500. Find the rate percent.

**Option C**

### #4. Rs. 2100 is lent at compound interest of 5% per annum for 2 years. Find the amount after two years.

**Option B**

### #5. Find the difference between the simple interest and the compound interest at 5% per annum for 2 years on principal of Rs. 2000.

**Option A**

Here, Principal(P)=Rs.2000

Rate(r)=5%

Now difference,

D=(2000×5×5)/(100×100)

D=Rs.5

### #6. Find the rate of interest if the amount after 2 years of simple interest on a capital of Rs. 1200 is Rs. 1440.

**Option C**

### #7. What is the difference between the simple interest on a principal of Rs. 500 being calculated at 5% per annum for 3 years and 4% per annum for 4 years?

**Option A**

**Alternatively**

The interest is calculated simply and then it will have a rise of 15% in 1^{st} case and 16% in 2^{nd} case.

Difference = 1% on 500 = Rs. 5

**Otherway,**

500 == 15% ↑↑ ⇒ 575 (1^{st} case)

500 == 16% ↑↑ ⇒ 580 (2^{nd} case)

We can see clear difference of Rs. 5

### #8. What is the simple interest on a sum of Rs. 700 if the rate of interest for the first 3 years is 8% per annum and for the last 2 years is 7.5% per annum?

**Option C**

Then total interest for five years

**Alternatively,**

As interest is calculated as simple interest

So, we can add up rates for all given 5 years and calculate it easily i.e.

For the five years rate

= (8 × 3 7.5 × 2)

= 39%

Now,

700 = 39% ↑↑⇒ 973

Interest = Rs. 273

The thought can go this way we internally calculated

### #9. Find the compound interest on Rs. 1000 at the rate of 20% per annum for 18 month when interest is compounded half yearly.

**Option A**

### #10. Find the principal if the interest compounded at the rate of 10% per annum for two years is Rs. 420.

**Option C**