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(a) east and make \(\frac{1}{2} \) of a revolution clockwise? z

(b ) east and make\(1\frac{1}{2} \) of a revolution clockwise? z

(c) west and make \(\frac{3}{4} \) of a revolution anticlockwise?

(d) south and make one full revolution? (Should we specify clockwise or anticlockwise for this last question? Why not?)

Answer :

(a) west

(b) west

(c) north

(d) south

In case of revolving 1 complete revolution, either clockwise or anti-clockwise we will be back at the original position.

- Q.1 What fraction of a clockwise revolution does the hour hand of a clock turn through, when it goes from (a) 3 to 9 (b) 4 to 7 (c) 7 to 10 (d) 12 to 9 (e) 1 to 10 (f) 6 to 3
- Q.2 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?
- Q.4 What part of a revolution have you turned through if you stand facing (a) east and turn clockwise to face north? (b) south and turn clockwise to face east? (c) west and turn clockwise to face east?
- Q.5 Find the number of right angles turned through by the hour hand of a clock when it goes from (a)3 to 6 (b) 2 to 8 (c) 5 to 11 (d) 10 to 1 (e) 12 to 9 (f) 12 to 6
- Q.6 How many right angles do you make if you start facing (a) south and turn clockwise to west? (b) north and turn anti – clockwise to east? (c) west and turn to west? (d) south and turn to north?

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