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 132

14, 78, 252, 620, .......

Solution

$$2^4-2=14.$$

$$3^4-3=78.$$

$$4^4-4=252.$$

$$5^4-5=620.$$

$$6^4-6=1290.$$

So, A is correct choice.

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