Question

3, 1.5, 1.5, 2.25, 4.5,?????? fast......

Answer 1

3 x 1 = 3
3 x 0.5 = 1.5
1.5 x 1 = 1.5
1.5 x 1.5 = 2.25
2.25 x 2 = 4.5

So next number is 4.5 x 2.5 = 11.25

Hope This Helps You!

Answer 2

"The next number in the given series is 11.25

3, 1.5, 1.5, 2.25, 4.5, 11.25, …

Given:

3, 1.5, 1.5, 2.25, 4.5, ….

To find:

The next number in the series.

Solution:

The above given question is from find the missing number. These type of questions are mostly given to the students to improve their analytical ability.

The pattern for the above series is given in a detailed manner below,

$3\times 1=3$

$3\times 0.5 = 1.5$

$1.5\times 1 = 1.5$

$1.5\times 1.5 = 2.25$

At the next step, we can arrive at the next step,

$2.25\times 2 = 4.5$

So, next number is $4.5\times 2.5 = 11.25$"