← All previous year questions
UPSC Civil ServicesPrelims2026General Studies Paper II (CSAT)
Question
QQ23. There are four types of weights, namely 1 kg, 2 kg, 5 kg and 10 kg. What is the maximum number of different ways one can measure 20 kg, if at least eight but not more than eleven weights of 1 kg are to be used while measuring?
Options
- A 7
- B 8
- C 9
- D 10
Show AnswerHide Answer
Correct Answer
B 8
Model Answer
Answer: option B, as per UPSC's provisional answer key of 27 May 2026 (Series A). UPSC publishes the final key after the exam's final result.