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.
10, 18, 28, 40, ?
Option 1: 58
Option 2: 46
Option 3: 52
Option 4: 54
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Correct Answer: 54
Solution :
Given:
10, 18, 28, 40, ?
Add even consecutive numbers to the previous terms to obtain the missing term.
10 + 8 = 18; 18 + 10 = 28; 28 + 12 = 40; 40 + 14 = 54
So, 54 is the missing number in the given series. Hence, the fourth option is correct.
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