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Q.

Determine the number of pieces of chocolate with dimension 1.5 cm × 2 cm that can be cut from a chocolate sheet of dimension 18 cm × 18 cm.


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a

100

b

108

c

116

d

132 

answer is B.

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Detailed Solution

Given, a chocolate sheet of dimension 18 cm × 18 cm.
Let the total number of chocolates that can be cut from the sheet be assumed as ‘n’.
Now, we can say that the area of the ‘n’ small chocolates will be the same as the area of the large chocolate sheet.
So, we have the dimensions of the chocolate pieces as 1.5 cm × 2 cm and the dimensions of the sheet are 18 cm × 18 cm.
So, we can say that the number of chocolates,
n= Area of the sheet Area of the snall chocolate
So, substituting the given dimensions and simplifying, we get,
n= 18×18 1.5×2 n=18×6 n=108
So, the total number of chocolates that can be cut is obtained as 108.
Hence, the correct option is (2).
 
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