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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.
22, 31, 42, 55, ?, 87

Option 1: 64

Option 2: 70

Option 3: 72

Option 4: 68


Team Careers360 8th Jan, 2024
Answer (1)
Team Careers360 13th Jan, 2024

Correct Answer: 70


Solution : Given:
22, 31, 42, 55, ?, 87

Add consecutive odd numbers in increasing order starting from 9 to the previous term to obtain the next term in the series –
22 + 9 = 31; 31 + 11 = 42; 42 + 13 = 55; 55 + 15 = 70; 70 + 17 = 87

So, 70 is the missing term in the series. Hence, the second option is correct.

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