When the minute hand moves by 15 minutes, it has made a \(\frac{1}{4}\) turn of the circle.
(b) When the minute hand moves by 30 minutes, it has made a _______ turn of the circle.
Solution:
When the minute hand moves by 30 minutes, it has made a \(\frac{1}{2}\) turn of the circle.
(d) When the minute hand has turned by \(\frac{1}{12}\) of a full turn, it has moved by ______ minutes.
Solution:
When the minute hand has turned by \(\frac{1}{12}\) of a full turn, it has moved by ______ minutes.
(e) When the minute hand has turned a full-circle, it has moved by ______ minutes.
Solution:
When the minute hand has turned a full-circle, it has moved by \(\frac{3}{4}\) minutes.
(f) When the minute hand has turned by \(\frac{1}{6}\) of a full turn, it has moved by _____ minutes.
Solution:
When the minute hand has turned by \(\frac{1}{6}\) of a full turn, it has moved by 60 minutes.
(g) When the minute hand has turned by \(\frac{4}{12}\) of a full turn, it has moved by _____ minutes.
Solution:
When the minute hand has turned by \(\frac{4}{12}\) of a full turn, it has moved by 20 minutes.
NCERT Textbook Page 40
Which direction?
The creatures below have made a quarter turn once. Tick the direction in which they have moved
Try these
Observe the direction of movement while opening a tap, unscrewing a lid or loosening a nut. Do they move clockwise or anti-clockwise?
Solution:
Direction of movement while:
Opening a tab → Anti-clockwise
Unscrewing a lid or loosening a nut → Anti¬clockwise
NCERT Textbook Pages 40-41
Fun with Turns