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Pie Charts

Study the following pie-diagrams carefully and answer the questions given below it:

Percentage Composition of Human Body

Q1: What percent of the total weight of human body is equivalent to the weight of the proteins in skin in human body?

A 0.016

B 1.6

C 0.16

D Data inadequate

ANS:B - 1.6

Let the body weight be x kg.

Then, weight of skin protein in the body
= [ 16% of ( 1 of x ) ] kg
10
= ( 16 x ) kg.
1000
Therefore Required percentage = [
( 16x )
1000
x 100 ] % = 1.6%.
x



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