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Direction: Choose the correct option which replaces the question mark. 5, 10, 15, 25, 40, ?

Question and options

Direction: Choose the correct option which replaces the question mark.
5, 10, 15, 25, 40, ?
  1. 45
  2. 50
  3. 60
  4. 65

Answer and explanation

Correct answer: D - 65
Each term (from the third) is the sum of the two before: 5+10=15, 10+15=25, 15+25=40, 25+40=65.

Practice for these exams

  • CUSAT Three-Year LL.B.

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