Instructions

Study the graph to answer these questions.
An ice-cream company prepare three different flavours X, Y, and Z. The production of the three flavours over a period of six years has been expressed in the bar graph provided below.

                Production of three different flavours of ice-creams X, Y, and Z by a Company over the years

In lakh


Question 98

What is the difference between the average production of flavour X in 2005, 2006 and 2007 and the average production of flavour Y in 2008, 2009 and 2010?

Solution

Average production of flavour X in  2005, 2006 and 2007 = 

1/3 * (50+40+55)

= 145/3 lakh

Average production of flavour Y in 2008, 2009 and 2010 = 

1/3 * (55+50+55)

= 160/3 lakh

Difference = 160/3 - 145/3 = 15/3 

= 5 lakh

= 500000


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