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Question : Directions: In the following question a series is given, with one number missing. Select the missing number from the given alternatives.
3, 7, 16, 35, ?

Option 1: 73

Option 2: 74

Option 3: 78

Option 4: 82


Team Careers360 7th Jan, 2024
Answer (1)
Team Careers360 22nd Jan, 2024

Correct Answer: 74


Solution : Given:
3, 7, 16, 35, ?

Add consecutive natural numbers to twice of each term to obtain the next term in the series 
(3 × 2) + 1 = 6 + 1 = 7
(7 × 2) + 2 = 14 + 2 = 16
(16 × 2) + 3 = 32 + 3 = 35
(35 × 2) + 4 = 70 + 4 = 74

The missing number is 74. Hence, the second option is correct.

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