Question : Directions: In the following question a series is given, with one term missing. Choose the correct alternative from the given ones that will complete the series.
0.5, 2, 4.5, 8, 12.5, ?
Option 1: 17
Option 2: 16
Option 3: 16.5
Option 4: 18
Correct Answer: 18
Solution :
Given:
0.5, 2, 4.5, 8, 12.5, ?
In the above-given series, add the increasing order of the number with the difference of 1, starting from 1.5 to the previous term to get the next term –
0.5 + 1.5 = 2; 2 + 2.5 = 4.5; 4.5 + 3.5 = 8; 8 + 4.5 = 12.5; 12.5 + 5.5 = 18
So, 18 is the missing term of the given series. Hence, the fourth option is correct.
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