Look at this series. 20, 20, 19, 16, 17, 13, 14, 11, ?, ? What numbers should replace the question mark?
Question and options
Look at this series.
20, 20, 19, 16, 17, 13, 14, 11, ?, ?
What numbers should replace the question mark?
20, 20, 19, 16, 17, 13, 14, 11, ?, ?
What numbers should replace the question mark?
- 10, 10
- 10, 11
- 13, 14
- 13, 16
Answer and explanation
Correct answer: A - 10, 10
Two interleaved series: 20, 19, 17, 14, ? (differences -1, -2, -3, -4) gives 10; 20, 16, 13, 11, ? (differences -4, -3, -2, -1) gives 10. Answer 10, 10.
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CUSAT CAT M.Sc. Bioethics
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