1.

Find simple interest on Rs.6000/- at 10% p.a. for 2years 3 months?

**Answer: Option 'A'**

**2 years 3months = 27/12 = T
P = Rs.6000/-
R = 10%
I = (6000 × 27/12 × 10)/100 = 27 × 50
I = Rs.1350/-**

2.

Find the principle, interest on Rs.900/- at 6% p.a. for 3 years?

**Answer: Option 'A'**

**P = ?
T = 3 years
R = 6%
I = Rs.900/-
I = PTR/100
P = 100I/TR
P = (100 × 900)/(3 × 6)
P = Rs.5000/- **

3.

Find simple interest on Rs.5000/- at 12% p.a, for 2 years?

**Answer: Option 'C'**

**P = Rs.5000/-
T = 2 years
R = 12%
I = PTR/100
I = Rs.5000 × 2 × 12/100 = Rs.1200/- **

4.

An employ sell a t.v for Rs.9000/- with 10% simple interest for 5 years on an installment basis. Then How much amount he paid for each installment?

**Answer: Option 'B'**

**Instalment = 100 × P/100 × T+T × (T - 1)R/2
= 100 × 9000/100 × 5+5 × (5-1)10/2
= 100 × 9000/6000 = Rs.1500/- **

5.

A borrow took by a man, for every 8 years it will be 3 times, then what is the rate of the interest?

**Answer: Option 'C'**

**P = 1 , I = 2 , T = 8years R = ?
I = PTR/100
2 = 1×8×R/100
R = 25% **

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