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Study Stuff for MCA Examinations - NIMCET
Study Stuff for MCA Examinations - NIMCET
Previous Year Question (PYQs)
Running at the same constant rate, 6
identical machines can produce a total of
270 bottles per minute. At this rate, how
many bottles could 10 such machines
produce in 4 minutes?
Solution
Let the required number of bottles be x.
More machines, More bottles (Direct Proportion)
More minutes, More bottles (Direct Proportion)
$\begin{matrix}{\begin{matrix}{Machines} & {6\colon10}\end{matrix}} \\ {\begin{matrix}{Time} & {\, \, \, \, \, \, \, \, \, \, 1\colon4}\end{matrix}}\end{matrix}\Bigr{\}}: : 270:x$
∴$6×1×x=10×4×270$
⇒$x= \frac{(10×4×270)}{6}$
⇒$x=1800$
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