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A man invested a certain sum in scheme A at 15% p.a. for 2 years and earned Rs 1950 as simple interest. He increased his sum by Rs. ‘x’ and invested in another scheme B at 10% p.a. C.I. for 2 years and received Rs. 1680 as compound interest. Find the value of ‘x’ ? 
  • a)
    Rs. 1750 
  • b)
    Rs. 1500 
  • c)
    Rs. 1250 
  • d)
    None of these 
  • e)
    Rs. 1850
Correct answer is option 'B'. Can you explain this answer?
Verified Answer
A man invested a certain sum in scheme A at 15% p.a. for 2 years and e...
Sum = (1950 × 100) /(2 × 15) =Rs 6500 
CI in 2 years at 10% per annum= 10 + 10 + (10 × 10)/ 100 = 21% 
ATQ (6500 + x) × 21/100 = 1680
⇒ (6500 + x) = 8000 x = Rs 1500
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A man invested a certain sum in scheme A at 15% p.a. for 2 years and e...
15000 and invested in scheme B at 12% p.a. for 3 years. At the end of 3 years, he received a total amount of Rs. 10200 as simple interest. Find the initial sum invested by the man in scheme A.

Let's assume that the initial sum invested in scheme A is x.

Simple Interest in Scheme A = (x * 15 * 2)/100 = 0.3x
Simple Interest in Scheme B = ((x + 15000) * 12 * 3)/100 = 5.4x + 81000

Total Simple Interest = Rs. 1950 + Rs. 10200 = Rs. 12150

Therefore, we can write the equation as:

0.3x + 5.4x + 81000 = 12150

Simplifying the equation, we get:

5.7x = 31150

x = Rs. 5473.68 (approx)

Therefore, the initial sum invested by the man in scheme A is approximately Rs. 5473.68.
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A man invested a certain sum in scheme A at 15% p.a. for 2 years and earned Rs 1950 as simple interest. He increased his sum by Rs. ‘x’ and invested in another scheme B at 10% p.a. C.I. for 2 years and received Rs. 1680 as compound interest. Find the value of ‘x’ ?a)Rs. 1750b)Rs. 1500c)Rs. 1250d)None of thesee)Rs. 1850Correct answer is option 'B'. Can you explain this answer?
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A man invested a certain sum in scheme A at 15% p.a. for 2 years and earned Rs 1950 as simple interest. He increased his sum by Rs. ‘x’ and invested in another scheme B at 10% p.a. C.I. for 2 years and received Rs. 1680 as compound interest. Find the value of ‘x’ ?a)Rs. 1750b)Rs. 1500c)Rs. 1250d)None of thesee)Rs. 1850Correct answer is option 'B'. Can you explain this answer? for Computer Science Engineering (CSE) 2024 is part of Computer Science Engineering (CSE) preparation. The Question and answers have been prepared according to the Computer Science Engineering (CSE) exam syllabus. Information about A man invested a certain sum in scheme A at 15% p.a. for 2 years and earned Rs 1950 as simple interest. He increased his sum by Rs. ‘x’ and invested in another scheme B at 10% p.a. C.I. for 2 years and received Rs. 1680 as compound interest. Find the value of ‘x’ ?a)Rs. 1750b)Rs. 1500c)Rs. 1250d)None of thesee)Rs. 1850Correct answer is option 'B'. Can you explain this answer? covers all topics & solutions for Computer Science Engineering (CSE) 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A man invested a certain sum in scheme A at 15% p.a. for 2 years and earned Rs 1950 as simple interest. He increased his sum by Rs. ‘x’ and invested in another scheme B at 10% p.a. C.I. for 2 years and received Rs. 1680 as compound interest. Find the value of ‘x’ ?a)Rs. 1750b)Rs. 1500c)Rs. 1250d)None of thesee)Rs. 1850Correct answer is option 'B'. Can you explain this answer?.
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