Question 53

The given Bar Graph presents the sale of a particular brand of car by three show rooms, A, B and C (in multiples of 100) during the months Jan, Feb, Mar and Apr, 2016.

If the cars sold by A and B are all found to be in perfect order, but the cars sold by C were found to be defective to the extent of 15%, 10%, 8% and 6%,respectively in Jan, Feb, Mar and Apr 2016. What is the percentage of defective cars sold by all showrooms during Apr, 2016?

Solution

Number of total cars in April 2016 = 350 + 450 + 250 = 1050

Number of defective cars = 6% of 250 = $$6\times\ \frac{250}{100}=15$$

Required percentgae = $$\frac{15}{1050}\times\ 100=\frac{10}{7}\%$$.

i.e; $$1\frac{3}{7}$$

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