Question

A businessman brorrowed money from two money lender a sum of Rs. 10000. From one the rate of simple interest was 8% per annum that for the other was 6% per annum. He paid a total interest of Rs. 720 for one year. Find the sum borrowed on each rate interest by him.​

Answer 1

Answer:

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Step-by-step explanation:

Let money at 12%=X and that at 14%=(20000-X)

After one year total interest = 2560

X⋅12⋅1

100

 

+

(20000-X)⋅14⋅1

100

 

=2560

12X+14⋅20000-14X=2560⋅100

-2X=-24000

X=12000

∴Money at 12 % = Rs 12000 and Money at 14 % = Rs 8000 .