Question

4,2.5,4,8.5,20.5,....?
Find the next number

Answer 1

next number should be 55.25

This is based general intelligence and reasoning, number series question.

we can get the answer very easily if we know the relation in mentioned terms.

let's try to find out relation between them !

4 , 2.5 , 4 , 8.5 , 20.5 , ? ...

4 × 0.5 + 0.5 = 2 + 0.5 = 2.5

2.5 × 1 + (1 + 0.5) = 2.5 + 1.5 = 4

4 × 1.5 + (1 + 1 + 0.5) = 6 + 2.5 = 8.5

8.5 × 2 + (1 + 1 + 1 + 0.5) = 17 + 3.5 = 20.5

yep, we got it...

so, the next term is , 20.5 × 2.5 + (1 + 1 + 1 + 1 + 0.5) = 51.25 + 4.5 = 55.25

also read similar questions: find the next term of the series √2,√8√18,√32,.......

https://brainly.in/question/2250577

Find next term in given series C13X,V17E,G19T

https://brainly.in/question/11265710