Question

60 workers can spin a bale of cotton in 7 days. In how many days will 42 workers spin it?
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Answer 1

Answer:

10 days

Step-by-step explanation:

Time taken by 60 workers = 7days

Time taken by 1 worker = 60×7days

Time taken by 42 works

= 60×7/42

= 10 days

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Answer 2

Answer:

42 workers will spin the bale of cotton in 10 days.

Step-by-step explanation:

Since, when $x_1$ persons complete a piece of work in $n_1$ time and the same piece of work is completed by $x_2$ persons in $n_2$ time,

Then,

$x_1\times n_1=x_2\times n_2$

Here,

$x_1=60, n_1=7, x_2 = 42$

By substituting the values,

$60\times 7 = 42n_2$

$60 = 6n_2$

$\implies n_2=\frac{60}{6}=10$

Thus, 42 workers will spin the bale of cotton in 10 days.

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