Data Interpretation MCQ Questions and Answers - Pie Chart

1

The ratio of donors blood group ‘A’ to the average of the donors group ‘O’, ‘B’ and ‘AB’ is:

A) 4 : 3 B) 4 : 5 C) 5 : 4 D) 3 : 4

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Answer & Solution

Average of O, B, AB blood group
$$\eqalign{ & = \frac{100.8° + 129.6° + 57.6°}{3} \cr & = \frac{288°}{3} \cr & = 96° \cr & \therefore \text{Required ratio} \cr & = 72° : 96° \cr & = 3 : 4 \cr} $$

2

The number of persons having either blood group ‘A’ or blood group ‘B’ is:

A) 84 B) 96 C) 78 D) 54

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Answer & Solution

Person having blood group A or B
$$\eqalign{ & = \frac{129.6° + 72°}{360}\times150 \cr & = 84 \cr} $$

3

The number of donors having group ‘O’ is:

A) 50 B) 42 C) 30 D) 34

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Answer & Solution

The number of donor having group O
$$\eqalign{ & = \frac{100.8°}{360}\times150 \cr & = 42 \cr} $$

4

What is the percentage of donors having blood group ‘AB’ ?

A) 61% B) 26% C) 16% D) 36%

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Answer & Solution

% of person having blood group AB
$$\eqalign{ & = \frac{57.6°}{360°}\times 100 \cr & = 16\% \cr} $$