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The line chart given below represents the revenue (in Rs. Crores) of a company for 6 years.What is the percentage decrease in the revenue from year 2011 to 2012?

 

A18

B44

C24

D22

Answer:

B. 44

Read Explanation:

Revenue of company in year 2011 = 500 Revenue of company in year 2012 = 280 Percentage decrease = [(500 - 280) / 500] ⨯ 100 = (220 / 500) ⨯ 100 = 44%


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Marks

number of students

1 - 20

10

20 - 40

40

40 - 60

15

60 - 80

12

80 - 100

30

What is the ratio of the number of student between 20-40 and 80-100 marks?