Question

Complete the series - 2,30,6,20,12,12,(?)

Answer 1

The missing number is 20.

Step-by-step explanation:

The given series are:

2, 30, 6, 20, 12, 12, (?)

To find, the missing number = ?

The given sequence are two series.

First series:

2, 6, 12, (?)

The pattern folow:

Previous number + 4, Previous number + 6, Previous number + 8,..

6 = 2 + 4 = 6

12 = 6 + 6 = 12

Similarly,

? = 12 + 8 = 20

Second series:

30, 20, 12

The pattern folow:

Previous number - 10, Previous number - 8, ...

20 = 30 - 10 = 20

12 = 20 - 8 = 12

Hence, the missing number is 20.