# Intelligent Math Puzzle – Challenge 79

In this great mind-blowing Math challenge, you need to use your logic skills to solve the problem. The answer is also provided.

## Challenge:

In the series above, what is the fifth fraction?

A- $$\frac{191}{480}$$

B- $$\frac{513}{897}$$

C- $$\frac{676}{1199}$$

D- $$\frac{683}{1195}$$

E- $$\frac{689}{1211}$$

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The correct answer is D.

Find the pattern in the number series. Each numerator or denominator of the fraction is one less than four times the previous numerator or denominator.
3 → 11
3 (4) – 1 = 11
171 × 4 – 1 = 683
299 × 4 – 1 = 1195
The number fraction is:

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