A sum of Rs. 1500.00 was put in two companies, one paid 6% simple interest and the other 5%. The whole annual interest from the two companies was Rs.85.00. What is the sum invested in the first company?

Created: 6 years ago | Updated: 2 years ago

Updated: 2 years ago

Rs. 500

Rs. 800

Rs. 1000

Rs. 700

Bank Alfalah Ltd Bank Alfalah Ltd- MTOs Recruitment Test - 2005 গণিত সরল ও যৌগিক মুনাফা (Simple & Compound interest)

ব্যাখ্যা

450

Best Ans:

Let the investments be F and (1500 - F) Rs. in the companies respectively.

Interest, I = P n r

Now, F × 1 × 6/100 + (1500 - F) × 1 × 5/100 = 85

or, 6F + 7500 - 5F = 8500 [multiplying both sides by 100]

or, F = 8500 - 7500

or, F = 1000 Rs.

6 years ago

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Md Azizur Rahman

Founder of Satt

সরল ও যৌগিক মুনাফা (Simple & Compound interest)