Direction Pie Charts Questions and Answers
1.

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 and Explanation
Answer:B
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?
A. 20 kg B. 35 kg
C. 41 kg D. 42.5 kg
Answer and Explanation
Answer:B
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?
A. 1 : 18 B. 1 : 2
C. 2 : 1 D. 18 : 1
Answer and Explanation
Answer:C
Explanation: Required ratio =16% of(1/3)/16% of(1/6) = 6/3=1/2
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:
A. 54º B. 126º
C. 108º D. 252º
Answer and Explanation
Answer:C
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 360º = 108º.
5.

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 the above
Answer and Explanation
Answer:D
Explanation: Part of the body made of neither bones nor skin = 1 - (1/6+1/10)= 11/15