Sudeep 
invested of a certain sum at 5% p.a. for two years and 
of the sum at 6% p.a. for two years and the remaining at 10% p.a. for two years. If the total interest received is Rs.1,674, then the total sum invested is:
Show answer & explanation
Correct answer: B
Explanation
The correct answer is Option2 i.e. 12000
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Understanding |
Application |
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Let the principal is 40. He invested 5 at 5 % and 24 at 6 % , remaining is 11 |
Total intrest = 0.25 × 2 + 1.44 × 2 + 1.1 × 2 = 0.5 + 2.88 + 2.2 = 5.58 |
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Hence, 5.58 = 1674 40 = = 12000 |
