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Questions  >>  Olympiad-Math  >>  Class 8
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Q)

In a toy company , it required 36 machines to produce a car toys in 54 days . How many machines would be required to produce the same number of car toys in 81 days .

$\begin{array}{1 1} 23 \\ 24 \\ 25 \\ 27 \end{array} $

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A)
Solution :
Number of machines => $36 \qquad x$
Number of cars produced => $54 \qquad 81 $
$\qquad= 36 \times 54 = x \times 81$
=>$\qquad= \large\frac{36 \times 54}{81}$$=x$
=>$ \large\frac{4 \times 54}{9} $$=x$
$x= \large\frac{216}{9} $
$x=24$
Answer : 24
 
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A)
Machines days 36 54 x 81 Step1:it is an inverse varation so will multiply it straight 36×54=81×x 1944=81x 1944÷81=x 24 = x Ans:-24
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