The length of the minute hand of a watch is 42 mm. The area... — Quantitative Techniques and Data Interpretation 2018

Question 14 Quantitative Techniques and Data Interpretation 2018 Medium MCQ +4.00 marks · -1.00 negative

The length of the minute hand of a watch is 42 mm. The area swept by it in 30 minutes (in mm²) by taking π as 3.14 is:

A. 2769.5 B. 44π C. 728 D. 1040π

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