Simplify: $\frac{1}{3 + \frac{1}{1 + \frac{1}{2 + \frac{1}{4}}}}$.
Options:
- A: $\frac{9}{31}$
- B: $\frac{11}{38}$
- C: $\frac{13}{48}$
- D: $\frac{15}{49}$
Related Practice Questions:
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- The difference between the compound interest and simple interest on a certain sum of money for 2 years at 5% per annum is ₹25. Find the sum.
- The study of living organism :
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