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CTET 1 Mar 2026 Paper 1, Question 43

Topic: Operations on numbers

Q43

The difference between the remainder obtained on dividing 2002 by 101 and dividing 2201 by 102 lies between :

  1. (1) 25 and 30
  2. (2) 20 and 25Correct answer
  3. (3) 15 and 20
  4. (4) 30 and 35

Solution.

CBSE answer: (2)

Answer: (2) 20 and 25

  1. 101×19=1919101 \times 19 = 1919, so 2002=1919+832002 = 1919 + 83; remainder 83.
  2. 102×21=2142102 \times 21 = 2142, so 2201=2142+592201 = 2142 + 59; remainder 59.
  3. Difference =83−59=24= 83 - 59 = 24, which lies between 20 and 25.