Maths-

General

Easy

Question

# What is the first three numbers in the pattern?

−, −, −, 64, 128, 256, …

Hint:

### A sequence of numbers which has a common difference between any two consecutive numbers is called an arithmetic progression (A.P.). The arithmetic progression general form is given by a, a + d, a + 2d, a + 3d, . . .. Hence, the formula to find the nth term is:

an = a + (n – 1) × d

## The correct answer is: 8 , 16 , 32 , 64, 128 , 256

### We have given a pattern

−, −, −, 64, 128, 256, …

We have to find the first 3 terms of the given pattern

Fourth term is 64 and fifth is 128 and sixth is 256

On analysis we get that , the next term is double of the previous term

Therefore the first three terms will be

Third term = 64 / 2 = 32

Second term = 32 / 2 = 16

First term = 16/2 = 8

Therefore, the pattern will be 8 , 16 , 32 , 64, 128 , 256 ,…

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