AP Police SI Mains 2019 Arithmetic and Reasoning

Instructions

A sequence of numbers or alphabets following a specific pattern is given. Fill in the blanks with suitable entry from the options that follows the same pattern.

Question 131

$$1\frac{1}{7}, 3\frac{6}{7}, 9\frac{1}{7}, 17\frac{6}{7}, ...........$$

Solution

$$1\ \frac{\ 1}{7}=\ \frac{\ 8}{7}=\ \frac{\ 2^3}{7}.$$

$$3\frac{\ 6}{7}=\ \frac{\ 27}{7}=\ \frac{\ 3^3}{7}.$$

$$9\frac{\ 1}{7}=\ \frac{\ 64}{7}=\ \frac{\ 4^3}{7}.$$

$$\ 17\frac{\ 6}{7}=\ \frac{\ 125}{7}=\ \frac{\ 5^3}{7}.$$

$$\ 30\frac{\ 6}{7}=\ \frac{\ 216}{7}=\ \frac{\ 6^3}{7}.$$

So, B is correct choice.


Create a FREE account and get:

  • Download Maths Shortcuts PDF
  • Get 300+ previous papers with solutions PDF
  • 500+ Online Tests for Free

cracku

Boost your Prep!

Download App