Question : Directions: Identify the number that does NOT belong to the following series.
1.5, 2, 3, 6, 18, 108, 1964
Option 1: 108
Option 2: 6
Option 3: 18
Option 4: 1964
Correct Answer: 1964
Solution :
Given:
1.5, 2, 3, 6, 18, 108, 1964
Multiply consecutive terms of the series to get the next term –
1.5 × 2 = 3; 2 × 3 = 6; 3 × 6 = 18; 6 × 18 = 108; 18 × 108 = 1944
But the number given in the series is 1964.
So, from the given series, 1964 is incorrect. Hence, the fourth option is correct.
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