csateasy

Consider the following figures: What is the missing number?

  1. A.7
  2. B.8
  3. C.9
  4. D.10
▶ Answer & Explanation

Correct answer: C. 9

The pattern involves adding consecutive odd numbers. Starting with 1, adding 3 results in 4. Then, adding 5 to 4 gives 9. Following this pattern, the next step would be to add 7 to 9, resulting in 16.

Source: UPSC csat 2011

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