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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