Question

12 workers can finish a job in 10 days.
For how many days can 15 workers finnish the same job ?

Answer 1

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ATQ,

= 12:10::15:x

= $\frac {12}{10}= \frac {15}{x}$

= 12x = 15×10

= 12.5

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Answer 2

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12 workers= 10 days (Given)

total work done by 12 workers in 10 days

=12× 10

=120

For 15 workers

= 120/ 15

= 8 days

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