where will the hand of a clock stop if kavya starts form 5 and makes ¾ of a rotation anti clock wise
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5
Answer:
At 8
Step-by-step explanation:
3/4 revolution means angle of 270°
As angle between two consecutive no. on clock is 30° . When we move anti clockwise from 5 , we count angle of 30° between each of them. Angle of 270° is made at 8 .
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Question :-
where will the hand of a clock stop if kavya starts from 5 and make 3/4 of a rotation anti clock wise ?
Solution :-
we know that
1 rotation = 360° .
so,
→ (3/4) of rotation = (3/4) * 360° = 270° .
then,
→ 5 + 270° (anticlockwise)
→ 5 + {(180° + 90°)anticlockwise}
→ (5 + 180° anticlockwise) + 90° anticlockwise
→ 11 (opposite) + 90° anticlockwise
→ 11 + 90° anticlockwise
→ 11 + 3*30° anticlockwise
→ 11 - 3
→ 8 (Ans.)
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