Question : Directions: In the following question a series is given, with one number missing. Choose the correct alternative from the given ones that will complete the series.
8, 24, 12, ?, 18, 54
Option 1: 48
Option 2: 36
Option 3: 29
Option 4: 21
Correct Answer: 36
Solution :
Given:
8, 24, 12, ?, 18, 54
Multiply by 3 and divide by 2 alternatively to get the next term of the series –
8 × 3 = 24; 24 ÷ 2 = 12; 12 × 3 = 36; 36 ÷ 2 = 18; 18 × 3 = 54
So, the missing number of the series is 36. Hence, the second option is correct.
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