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Manu invested 15% of his monthly salary in the FD and 10% in PPF. 3/25th of the remaining amount spent on clothing. 3/11th remaining amount spent on food. 5/12th of the remaining spent on education. The remaining amount is invested in a scheme which offers 10% Simple interest from which after 5 years he got Rs. 16800 as the total amount. Find his monthly salary?
  • a)
    40000
  • b)
    20000
  • c)
    18000
  • d)
    21000
  • e)
    None of these
Correct answer is option 'A'. Can you explain this answer?
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Most Upvoted Answer
Manu invested 15% of his monthly salary in the FD and 10% in PPF. 3/2...
Let, Manu’s monthly salary = Rs. x
∴ invested in FD = Rs. x × 15/100 = Rs. 0.15x
∴ invested in PPF = Rs. x × 10/100 = Rs. 0.1x
∴ spent on cloth = [x - (0.15x + 0.1x)] × 3/25 = 0.09x
∴ spent on food = [x - (0.15x + 0.1x + 0.09x)] × 3/11 = 0.18x
∴ spent on education = [x - (0.15x + 0.1x + 0.09x + 0.18x)] × 5/12 = 0.2x
∴ Remaining amount = x - (0.15x + 0.1x + 0.09x + 0.18x + 0.2x) = 0.28x
In case of simple interest,
Principal = Rs. 0.28x
Rate of interest = 10%
Time = 5 years
∴ Amount after 5 years,
⇒ 0.28x + 0.28x × 10 × 5/100
⇒ 0.42x
According to problem,
⇒ 0.42x = 16800
⇒ x = 16800/0.42
⇒ x = 40000
∴ Manu’s monthly salary = Rs. 40000
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Community Answer
Manu invested 15% of his monthly salary in the FD and 10% in PPF. 3/2...
To solve this problem, we need to follow the given steps:

Step 1: Calculate the amount invested in FD and PPF.
- Manu invested 15% of his monthly salary in FD and 10% in PPF.
- Let's assume his monthly salary is 'x'.
- Amount invested in FD = 15% of x = 0.15x
- Amount invested in PPF = 10% of x = 0.10x

Step 2: Calculate the remaining amount after the investments in FD and PPF.
- Remaining amount = x - (0.15x + 0.10x)
= x - 0.25x
= 0.75x

Step 3: Calculate the amount spent on clothing.
- 3/25th of the remaining amount is spent on clothing.
- Amount spent on clothing = (3/25) * (0.75x)
= 9x/100

Step 4: Calculate the remaining amount after the clothing expenditure.
- Remaining amount = 0.75x - (9x/100)
= (75x/100) - (9x/100)
= 66x/100
= 0.66x

Step 5: Calculate the amount spent on food.
- 3/11th of the remaining amount is spent on food.
- Amount spent on food = (3/11) * (0.66x)
= 18x/55

Step 6: Calculate the remaining amount after the food expenditure.
- Remaining amount = 0.66x - (18x/55)
= (66x/100) - (18x/55)
= (330x/500) - (180x/500)
= 150x/500
= 0.3x

Step 7: Calculate the amount spent on education.
- 5/12th of the remaining amount is spent on education.
- Amount spent on education = (5/12) * (0.3x)
= 0.125x

Step 8: Calculate the remaining amount after the education expenditure.
- Remaining amount = 0.3x - 0.125x
= 0.175x

Step 9: Calculate the total amount after 5 years of investment in the scheme.
- The remaining amount is invested in a scheme offering 10% simple interest.
- After 5 years, the total amount is Rs. 16800.
- Let's assume the remaining amount is 'y'.
- Total amount after 5 years = y + (0.1y * 5)
= y + 0.5y
= 1.5y
- Given, 1.5y = 16800
- y = 16800 / 1.5
- y = 11200

Step 10: Calculate the monthly salary.
- The remaining amount after education expenditure is y = 11200.
- The remaining amount after the investments in FD, PPF, clothing, food, and education is 0.175x = 11200.
- x = 11200 / 0.175
- x = 64000

Therefore, Manu's monthly salary is Rs. 40000 (option 'A').
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Manu invested 15% of his monthly salary in the FD and 10% in PPF. 3/25th of the remaining amount spent on clothing. 3/11th remaining amount spent on food. 5/12th of the remaining spent on education. The remaining amount is invested in a scheme which offers 10% Simple interest from which after 5 years he got Rs. 16800 as the total amount. Find his monthly salary?a)40000b)20000c)18000d)21000e)None of theseCorrect answer is option 'A'. Can you explain this answer?
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Manu invested 15% of his monthly salary in the FD and 10% in PPF. 3/25th of the remaining amount spent on clothing. 3/11th remaining amount spent on food. 5/12th of the remaining spent on education. The remaining amount is invested in a scheme which offers 10% Simple interest from which after 5 years he got Rs. 16800 as the total amount. Find his monthly salary?a)40000b)20000c)18000d)21000e)None of theseCorrect answer is option 'A'. Can you explain this answer? for Banking Exams 2024 is part of Banking Exams preparation. The Question and answers have been prepared according to the Banking Exams exam syllabus. Information about Manu invested 15% of his monthly salary in the FD and 10% in PPF. 3/25th of the remaining amount spent on clothing. 3/11th remaining amount spent on food. 5/12th of the remaining spent on education. The remaining amount is invested in a scheme which offers 10% Simple interest from which after 5 years he got Rs. 16800 as the total amount. Find his monthly salary?a)40000b)20000c)18000d)21000e)None of theseCorrect answer is option 'A'. Can you explain this answer? covers all topics & solutions for Banking Exams 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Manu invested 15% of his monthly salary in the FD and 10% in PPF. 3/25th of the remaining amount spent on clothing. 3/11th remaining amount spent on food. 5/12th of the remaining spent on education. The remaining amount is invested in a scheme which offers 10% Simple interest from which after 5 years he got Rs. 16800 as the total amount. Find his monthly salary?a)40000b)20000c)18000d)21000e)None of theseCorrect answer is option 'A'. Can you explain this answer?.
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