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

### The Absolute Best Book to challenge your Smart Student!

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: 36% OFF

X

## How Does It Work? ### 1. Find eBooks

Locate the eBook you wish to purchase by searching for the test or title.  ### 3. Checkout

Complete the quick and easy checkout process. ## Why Buy eBook From Effortlessmath? Save up to 70% compared to print  Help save the environment  Over 2,000 Test Prep titles available Over 80,000 happy customers Over 10,000 reviews with an average rating of 4.5 out of 5  