question_answer 1)

Where will the hand of a clock stop if it (a) starts at 12 and makes 1/2 of a revolution, clockwise? (b) starts at 2 and makes 1/2 of a revolution, clockwise? (c) starts at 5 and makes 1/4 of a revolution, clockwise? (d) starts at 5 and makes 3/4 of a revolution, clockwise? TIPS The hand of a clock makes two right angles in 1/2 of a revolution, one right angle in 1/4 of a revolution and three right angles in 3/4 of a revolution.

Answer:

(a) If the hand of a clock starts at 12 and makes 1/2 of a revolution, clockwise, i.e. two right angles, it reaches at 6. (b) If the hand of a clock starts at 2 and makes \[\frac{1}{2}\] of a revolution, clockwise, i.e. two right angles, it reaches at 8. (c) If the hand of a clock starts at 5 and makes \[\frac{1}{4}\] of a revolution, clockwise, i.e. one right angles, it reaches at 8. (d) If the hand of a clock starts at 5 and makes \[\frac{3}{4}\]of revolution, clockwise, i.e. three right angles, it reaches at 2.