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Question : Directions: Which number will replace the question mark (?) to complete the given series?
17, 18, 20, ?, 27, 32

Option 1: 22

Option 2: 20

Option 3: 23

Option 4: 21


Team Careers360 5th Jan, 2024
Answer (1)
Team Careers360 12th Jan, 2024

Correct Answer: 23


Solution : Given:
17, 18, 20, ?, 27, 32

In the given series, add consecutive natural numbers to the previous number to get the next number –
17 + 1 = 18; 18 + 2 = 20; 20 + 3 = 23; 23 + 4 = 27; 27 + 5 = 32

So, the missing number in the series is 23. Hence, the third option is correct.

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