Question

20,10,10,15,30,...?​

Answer 1

Answer: 30

Step-by-step explanation:

Answer 2

Answer:

Answewr is 75.

Step-by-step explanation:

20,10,10,15,30,....?⇒Given series.

STEP1:

Divide the Succeding number with the preceeding number.

STEP2:

10/20=0.5

10/10=1.0

15/10=1.5

30/15=2

So it is increasing by 0.5,then the next number should be 2.5

STEP3:

So,30×2.5=75.

∴The number to the given series is 75.

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