CTET Paper 1 · Mathematics-CTET

Which of the following is an open-ended question?

  1. What should be added to 17 to get 23?
  2. The sum of two numbers is 15 and one is 7; what is the other?
  3. Anil is 7 and his father is 5 times his age; what is the father’s age?
  4. If the sum of two numbers is 17, what can the two numbers be?
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