Question

A certain sum amounts to ₹ 3,825 in 4 years
and to ₹ 4,050 in 6 years. Find the rate percent
and the sum.

​

Answer 1

Answer:

R = (3. 1/3) %     P = Rs. 3375

Step-by-step explanation:

In 6 years sum amounts to = Rs. 4050

In 4 Years sum amounts to = Rs. 3825

∴ Interest of 2 years = Rs. 4050 – Rs. 3825

= Rs. 225  

Interest of 4 years = Rs. (225/2) × 4

= Rs. 450

(∵ Rs. 225 is interest for 2 years)

Now  P = A – I

= Rs. 3825 – Rs. 450

= Rs. 3375

I = Rs. 450

T = 4 years

R = (100 × I)/(P × T)

= (100 × 450)/(3375 × 4)

= (45000/13500) % = (450/135) %

= (10/3) % = (3. 1/3)%

R = (3. 1/3) %

P = Rs. 3375

                I hope this answer will help you...........