Question : Directions: Which of the following numbers will replace the question mark (?) in the given series?
36, 33, 39, 36, 42, 39, 45, ?

Option 1: 42

Option 2: 48

Option 3: 38

Option 4: 29


Team Careers360 17th Jan, 2024
Answer (1)
Team Careers360 23rd Jan, 2024

Correct Answer: 42


Solution : Given:
36, 33, 39, 36, 42, 39, 45, ?

Subtract 3 and add 6 alternately to each term of the series to get the next term.
36 – 3 = 33; 33 + 6 = 39; 39 – 3 = 36; 36 + 6 = 42; 42 – 3 = 39; 39 + 6 = 45; 45 – 3 = 42

So, 42 is the missing number in the series. Hence, the first option is correct.

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