Question

a machine takes 5 hours in machining 120 components. how many compliments will it machine in 20 hours?

Answer 1

Hi friend
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Your answer
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SOLVING (BY UNITARY METHOD)
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Number of components machined in 5 hours = 120

Number of components machined in 1 hour = 120/5

Number of components machined in 20 hours = (120/5) × 20 => 24×20 = 480


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Answer 2

Heya!

No of components machining in 5 hrs = 120

No of components machining in 1 hrs = 120 /5

Hence, No of components machining in 20 hrs

= 120/5 × 20

= 480 components

This is done using unitery method.

Hope it helps u.