Data Interpretation Ques 337
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?
33
11
22
44
20
Show Answer
Correct Answer: 337.(3)
Solution: (3) Required difference
$=\frac{1}{2}\left(\frac{550 \times 48}{100}\right)-\frac{1}{2}\left(\frac{550 \times 40}{100}\right)$
$=132-110=22$
BETA
