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1.  Study the following pie-chart and table carefully and answer the questions given below:
Percentage-wise Distribution of the Number of Mobile phones Sold by a Shopkeeper During Six Months. Ratio of mobile phones sold of Company A & Company B.
Direction image of Pie Chart chapter
Total number if mobile phones sold = 45000
Month Ratio (A : B)
July 8 : 7
August 4 : 5
September 3 : 2
October 7 : 5
November 7 : 8
December 7 : 9

What is the ratio of the number of mobile phones sold of company B during July to those sold during December of the same company?

Solution:
Number of mobile phones sold by B during July
=45000×17100×715=3570
Number of mobile phones sold by B during December
=45000×16100×916=4050Required ratio=35704050=119135=119:135

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