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Bar Charts

A soft drink company prepares drinks of three different flavours - X, Y and Z. The production of three flavours over a period of six years has been expressed in the bar graph provided below.

Production of Three Different Flavours X, Y and Z by a Company over the years (in lakh bottles)

Q1:

What is the difference between the average production of flavour X in 1995, 1996 and 1997 and the average production of flavour Y in 1998, 1999 and 2000?

A 50,000 bottles

B 80,000 bottles

C 2,40,000 bottles

D 5,00,000 bottles

ANS:D - 5,00,000 bottles

Average production of flavour X in 1995, 1996 and 1997

    = [ 1 x (50 + 40 + 55) ]
3
    = ( 145 ) lakh bottles.
3
Average production of flavour Y in 1998, 1999 and 2000
    = [ 1 x (55 + 50 + 55) ]
3
    = ( 160 ) lakh bottles.
3
Therefore Difference
= ( 160 - 145 )
3 3
= 15
3
= 5 lakh bottles
= 5,00,000 bottles.



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