Data Interpretation Ques 337

Question-

Directions : Read the given pie chart carefully to answer the questions given below it.

Percentage distribution of books by publisher ’ $\mathbf{X Y Z}$ ’ in 5 different stores
Total number of books $=\mathbf{5 5 0}$

What is the difference between average number of books sold by stores $A$ and $E$ together and average number of books sold by stores $C$ and $D$ together?

(1) 33

(2) 11

(3) 22

(4) 44

(5) 20

Show Answer

Correct Answer: (3)

Solution: (3)

Required difference $=\frac{1}{2}\left(\frac{550 \times 48}{100}\right)-\frac{1}{2}\left(\frac{550 \times 40}{100}\right)$ $=132-110=22$



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