Question

Read the numbers and decide what the next number should be. 256 196 144 100 64 36 16

Answer 1

The next number is
`4`

Explanation:

we have

`256, 196, 144, 100, 64, 36, 16,...x`

we know that

`256-196=60`

`196-144=52=60-8`

`144-100=44=52-8`

`100-64=36=44-8`

`64-36=28=36-8`

`36-16=20=28-8`

therefore

The next number is equal to

`16-x=20-8` ------> solve for x

`16-x=12`

`x=16-12=4`