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Quiz: Bar Chart-3

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Number of Questions: 3

Question: 1 -

What is the ratio of the average production of Company X in the period 1998-2000 to the average production of Company Y in the same period?

Options:

  1. 15:17

  2. 1:1

  3. 23:25

  4. 27:29

    5. Answer:

    23:25
    Solution:

    Average production of Company X in the period 1998-2000

        = [ 1 x (25 + 50 + 40) ] = ( 115 ) lakh tons.
    3 3

    Average production of Company Y in the period 1998-2000

        = [ 1 x (35 + 40 + 50) ] = ( 125 ) lakh tons.
    3 3

     

    Therefore Required ratio =
    ( 115 )
    3
    		= 115 = 23 .
    ( 125 )
    3
    		125 25

Question: 2 -

What is the difference between the production of Company Z in 1998 and Company Y in 1996?

Options:

  1. 20,000 tons

  2. 20,00,000 tons

  3. 2,00,00,000 tons

  4. 2,00,000 tons

    5. Answer:

    20,00,000 tons
    Solution:

    Required difference = [(45 - 25) x 1,00,000] tons
      = 20,00,000 tons.

Question: 3 -

Directions to Solve

The bar graph given below shows the data of the production of paper (in lakh tonnes) by three different companies X, Y and Z over the years.

Production of Paper (in lakh tonnes) by Three Companies X, Y and Z over the Years.

For which of the following years, the percentage rise/fall in production from the previous year is the maximum for Company Y?

Options:

  1. 1997

  2. 1999

  3. 1998

  4. 2000

    5. Answer:

    1997
    Solution:

    Percentage change (rise/fall) in the production of Company Y in comparison to the previous year, for different years are:

    For 1997 = [ (35 - 25) x 100 ] % = 40%.
    25
    For 1998 = [ (35 - 35) x 100 ] % = 0%.
    35
    For 1999 = [ (40 - 35) x 100 ] % = 14.29%.
    35
    For 2000 = [ (50 - 40) x 100 ] % = 25%.
    40

    Hence, the maximum percentage rise/fall in the production of Company Y is for 1997.