Question

4, 10, 28, ?, 244, 730
options:-
a) 24
b) 77
c) 82
d) 98

Answer 1

Answer:

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Step-by-step explanation:

c) 82

Answer 2

Given:

The series- 4, 10, 28, ?, 244, 730

To find:

The missing number in the series

Solution:

For finding the logic behind the series, we first find the differences between the successive numbers. There's no trend observed.

Next, we check other patterns and observe the trend as:

4, 10, 28, ?, 244, 730

(First number*3)-2 ----> second number

(Second number*3)-2 -----> third number

And so on..

Here, multiplication is followed by subtraction-

In this case we get,

(4*3)-2 = 10

(10*3)-2 = 28

(28*3)-2 = 82( missing number)

(82*3)-2 = 244

(244*3)-2 = 730

The missing number is 82.

The correct option is (c).