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Standard XII
Chemistry
First Order Reaction
A tailor had ...
Question

A tailor had a number of shirt pieces to cut from a roll of fabric. He cut each roll of equal length into 10 pieces. He cut at the rate of 45 cuts a minute. How many rolls would be cut in 24 minutes ?

A
32 rolls
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B
54 rolls
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C
108 rolls
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D
120 rolls
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Solution

The correct option is A 120 rolls
It is quite clear that the number of cuts made to cut a roll into 10 pieces = 9.
So, required number of rolls = (45 x 24)/9 = 120 rolls
Hence, option (D) is the correct answer.

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Q.

This is how you will do it.

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