Find out the missing number from the choices given. 11, 13, 17, 19, 23, 25, __________
Question and options
Find out the missing number from the choices given.
11, 13, 17, 19, 23, 25, __________
- 26
- 27
- 28
- 29
Answer and explanation
Correct answer: D - 29
The differences alternate +2 and +4: 11 (+2) 13 (+4) 17 (+2) 19 (+4) 23 (+2) 25. The next difference is +4, giving 25 + 4 = 29; 27 would follow only if the +2 step were repeated.
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CUSAT CAT LLM
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