Question

If 40 men can finish a piece of work in 60 days, in how many days will 75 men finish the same work?
NOTE: Please give this answer using ratio and proportion and not unitary method.​

Answer 1

Answer:

See,

40 mens can do the work in 60 days.

then

1 men can do the same work in = 40×60 days

=2400days

then we can find the no. of days required to finish the same work by 75 mens

=2400/75

=32days.

Step-by-step explanation:

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Answer 2

Given :

$\: \: \: \: \: \: \: \: \: \: \: \: \large\frac{ \boxed{mans \: = \: 40 \: \: . \: \: 75}}{ \boxed{days = \: 60 \: \: \: . \: \: \: ? }}$

:- On cross multiplication:

$40 \: \times \: ? = \: 60 \times 75$

• Let the number be = x

On transposing the terms :

$x = \large\frac{60 \times 75}{40}$

$x = 2 \times 16$

$\therefore \: number = \large \boxed{ 32}$

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