Challenger App

The pie-chart shows the percentage-wise distribution of the number of students in five different schools P, Q, R. S and T. The total number of students in all five schools together is 10,500 The difference between the central angles corresponding to schools T and R is

Study the following table, which shows the number of units of a product manufactured and sold by a company in five years, and answer questions

Years	Number of units (in thousands) Manufactured	Sold
2013	350	320
2014	375	315
2015	300	280
2016	450	423
2017	420	360

What percent of total units of the product manufactured in 2013 and 2015 is equal to the total units unsold during the five years? (correct to one decimal place)

The line chart given below represents the revenue (in Rs. Crores) of a company for 6 years.What is the average revenue (in Rs crores) for given 6 years?

The given chart shows the number of students in Class 4, Class 5, Class 6 and Class 7 who got first class, second class and failed in the final examinations. Find the total number of students who failed in the examination