Question

14. A person borrows Rs. 2500 at 8% per annum
and Rs. 4000 at 10% per annum for same
period. If he pays Rs. 800 at total interest. Find
the time.​

Answer 1

Answer:

Step-by-step explanation:

Let the sum borrowed be Z. Then,

(Zx6x2⁄100) + (Zx9x3⁄100) + (Zx14x4⁄100) = 11400

Therefore, 3Z⁄25 + 27Z⁄100 + 14Z⁄25) = 11400

? 95Z⁄100 = 11400

Z = (11400x100⁄95) = 12000