Find the number in the place of question mark. 21, 25, 34, 50, ?, 111, 160
Question and options
Find the number in the place of question mark.
21, 25, 34, 50, ?, 111, 160
21, 25, 34, 50, ?, 111, 160
- 86
- 72
- 75
- 59
Answer and explanation
Correct answer: C - 75
Differences are 4, 9, 16, 25, 36, 49 (squares of 2 to 7). So the missing term is 50 + 25 = 75; check 75 + 36 = 111, 111 + 49 = 160.
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CUSAT CAT LLM
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