Ratio, Proportion, Indices, LogarithmMCQPYQ Dec 23Question 6375 of 313
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If 2x=4y=8z\displaystyle 2^x = 4^y = 8^z and 12x+14y+16z=247\displaystyle 12x+14y+16z=247\displaystyle \frac{1}{2x} + \frac{1}{4y} + \frac{1}{6z} = \frac{24}{7}, then the value of z\displaystyle z is:

Select Your Answer (Keyboard: A, B, C, D)
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Correct Answer

✅ Option C — 748\displaystyle \frac{7}{48}

All Options:

  • A716\displaystyle \frac{7}{16}
  • B732\displaystyle \frac{7}{32}
  • C748\displaystyle \frac{7}{48} ✓
  • D764\displaystyle \frac{7}{64}

Detailed Solution & Explanation

PYQ Dec 23

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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