The bar chart shows the number of cell phones sold by a shop on 5 days of a certain week. The difference between the highest number and the lowest number of cell phones sold is 15.
Find the number of cell phones sold on Thursday.
A
6
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B
12
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C
18
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D
24
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Solution
The correct option is C 18 Difference between highest number and lowest number = 5 Graph Units = 15 so, 1 Graph Unit = 3 No. of cell phones sold on Thursday = 6 Graph Units = 18