Exercise: Pie Charts

Questions for: Pie Charts

In the human body, what part is made of neither bones nor skin?
A:
1
40
B:
3
80
C:
2
5
D:
None of these
Answer: D

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

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:
A:
54°
B:
126°
C:
108°
D:
252°
Answer: C

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°.

What is the ratio of the distribution of proteins in the muscles to that of the distribution of proteins in the bones?
A:
1 : 18
B:
1 : 2
C:
2 : 1
D:
18 : 1
Answer: C

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

What will be the quantity of water in the body of a person weighing 50 kg?
A:
20 kg
B:
35 kg
C:
41 kg
D:
42.5 kg
Answer: B

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

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
Answer: B

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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