Question

If the short and long hands of a clock are 5 cm and 6 cm long respectively, then the distance travelled by long hand in 8 hours is : A) 32 pie cm B) 28 pie cm C) 60 pie cm D) 96 pie cm​

Answer 1

Step-by-step explanation:

distance traveled by the hands =circumference of the circle.

circumference of the circle produced by short hand=2πr=2×3.14×4=25.12cm

circumference of the circle produced by long hand=2πR=2×3.14×6=37.68cm

In 24hrs short hand completes 2 rotations and long hand completes 24 rotations

the sum=2(25.12)+24(37.68)=954.56cm

Answer 2

Correct answer:-

option C) 60 pie cm.

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