Ratio, Proportion, Indices, LogarithmMCQPYQ Dec 21Question 801 of 302
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A bag contains $105$ coins containing some $50$ paise, and $25$ paise coins. The ratio of the number of these coins is $4:3$. The total value (in ₹\displaystyle ₹) in the bag is

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Correct Answer

✅ Option b — $41.25$

All Options:

  • A$43.25$
  • B$41.25$
  • C$39.25$
  • D$35.25$

Detailed Solution & Explanation

Total number of coins in the bag is $105\displaystyle .<br>The ratio of 50 paise coins to 25 paise coins is &#36;4 : 3.
Number of 50 paise coins =105×44+3=105×47=60\displaystyle = 105 ×\displaystyle \times 44+3=105\displaystyle \frac{4}{4+3} = 105 ×\displaystyle \times 47=60\displaystyle \frac{4}{7} = 60
Number of 25 paise coins =105×37=45\displaystyle = 105 ×\displaystyle \times 37=45\displaystyle \frac{3}{7} = 45
The monetary value of these coins is:
- Value of 50 paise coins =60×₹0.50=₹30\displaystyle = 60 ×\displaystyle \times ₹0.50 = ₹30
- Value of 25 paise coins =45×₹0.25=₹11.25\displaystyle = 45 ×\displaystyle \times ₹0.25 = ₹11.25
Total Value=₹30+₹11.25=₹41.25Total Value\displaystyle \text{Total Value} = ₹30 + ₹11.25 = ₹41.25

About This Chapter: Ratio, Proportion, Indices, Logarithm

Paper

Paper 3: Quantitative Aptitude

Weightage

5-7 Marks

Key Topics

Ratio, Proportion, Indices, Logarithms

This chapter covers Ratio, Proportion, Indices, Logarithms and is part of Paper 3: Quantitative Aptitude in the CA Foundation exam.

View Official ICAI Syllabus

Exam Strategy Tip

This topic carries 5-7 Marks weightage. Focus on understanding core concepts rather than memorizing.

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