alleryThe minute hand of a clock moves from 12 to 3. What part of a full turn is this?
AOne eighth turn
BA quarter turn
CA full turn
DA half turn
Answer & Solution
Correct answer: B. A quarter turn
1. The minute hand goes once around the clock in 60 minutes.
2. From 12 to 3 is 15 minutes, and 15 / 60 = 1/4.
3. So it makes a quarter turn, which is a right angle.
_Source: NCERT Maths Mela Class 5, Ch 3 Angles as Turns (ncert.nic.in/textbook/pdf/eemm103.pdf), Angles as Turns_
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