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Data Interpretation - Pie Charts

Exercise : Pie Charts - Pie Chart 11
Directions to Solve

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

Percentage Composition of Human Body

1.
What percent of the total weight of human body is equivalent to the weight of the proteins in skin in human body?
0.016
1.6
0.16
Data inadequate
Answer: Option
Explanation:

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

2.
What will be the quantity of water in the body of a person weighing 50 kg?
20 kg
35 kg
41 kg
42.5 kg
Answer: Option
Explanation:

Quantity of water in the body of a person weighing 50 kg = (70% of 50) kg
= 35 kg.

3.
What is the ratio of the distribution of proteins in the muscles to that of the distribution of proteins in the bones?
1 : 18
1 : 2
2 : 1
18 : 1
Answer: Option
Explanation:

Required ratio =
  16% of 1  
3
= 6 = 2 .
  16% of 1  
6
3 1

4.
To show the distribution of proteins and other dry elements in the human body, the arc of the circle should subtend at the centre an angle of:
54°
126°
108°
252°
Answer: Option
Explanation:

Percentage of proteins and other dry elements in the body = (16% + 14%)
= 30%.
Therefore Central angle corresponding to proteins and other dry elements together
= 30% of 360°
= 108°.

5.
In the human body, what part is made of neither bones nor skin?
1
40
3
80
2
5
None of these
Answer: Option
Explanation:

Part of the body made of neither bones nor skin = 1 -  ( 1 + 1 ) = 11 .
6 10 15

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