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Question : Directions: Select the number that will correctly replace the question mark (?) in the series.
5, 6, 10, 19, 35, ?

Option 1: 55

Option 2: 60

Option 3: 43

Option 4: 40


Team Careers360 22nd Jan, 2024
Answer (1)
Team Careers360 23rd Jan, 2024

Correct Answer: 60


Solution : Given:
5, 6, 10, 19, 35, ?

The pattern is as follows –
5 + (1) 2 = 5 + 1 = 6
6 + (2) 2 = 6 + 4 = 10
10 + (3) 2 = 10 + 9 = 19
19 + (4) 2 = 19 + 16 = 35
35 + (5) 2 = 35 + 25 = 60

So, 60 is the missing number of the series. Hence, the second option is correct.

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