If Mr Raghav taught a total of 500 hours then what is the difference in number of hours of teaching ...........

Quantitative Aptitude ( CCS) Pie Chart

The pie chart given below shows the break-up of number of hours of teaching various subject at an institute by Mr.Raghav

If Mr. Raghav taught a total of 500 hours, then what is the difference in number of hours of teaching algebra and modern Maths?

the difference in number of hours of teaching algebra and modern Maths=500x5/100=25 hours

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