Question

30,23,17,12,?,5 what is the next number​

Answer 1

Answer:

$\huge\boxed{\fcolorbox{blue}{red}{8}}$

FIRST 7 LESS THAN 6 THEN 5 . SO, THERE WILL BE 4 LESS.

12-4=8

HOPE IT HELPS YOU

Answer 2

Given,

30,23,17,12,?,5

To find,

The missing number in the series.

Solution,

In the given series, the first two numbers have a difference of 7, the next number i.e. 23 and 17 have a difference of 6, the next 17 and 12 have a difference of 5, so the next number which is missing must have a difference of 4 with the given number 12. Subtracting 4 from 12 we get 8 as the missing number. Now to check the accuracy of the number the next difference must be 3, so by subtracting 5 from 8 we get 3.

Hence, the next number is 8.