Question : Directions: In the following question, select the missing number of the given series.
30, 60, 180, 720, 3600, ?
Option 1: 25000
Option 2: 21600
Option 3: 12000
Option 4: 14400
Correct Answer: 21600
Solution :
Given:
30, 60, 180, 720, 3600, ?
In the above-given series, multiply the number with consecutive natural numbers starting from 2 to obtain the next number.
30 × 2 = 60, 60 × 3 = 180, 180 × 4 = 720, 720 × 5 = 3600, 3600 × 6 = 21600
So, 21600 is the missing number of the series. Hence, the second option is correct.
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