Math
Applied Mathematics - Simple interest and bank
MCQ
The difference between 3 years and 5 years interest on a sum is 2000 rupees. The rate is 10%. How much principal?
A
Rs 8000
B
Rs 9000
C
Rs 10000
D
Rs 12000
Explanation
Interest for 2 years=2000 ⇒ 2000=(Principal ×10×2)/100 ⇒ Principal =10000.
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