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.
4, 8, 16, 32, ?, 128
Option 1: 64
Option 2: 46
Option 3: 112
Option 4: 120
Correct Answer: 64
Solution :
Given:
4, 8, 16, 32, ?, 128
In the above-given series, multiply each term by 2 to obtain the next term –
4 × 2 = 8; 8 × 2 = 16; 16 × 2 = 32; 32 × 2 = 64; 64 × 2 = 128
So, 64 is the missing term of the series. Hence, the first option is correct.
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