Data Interpretation - Bar Charts - Discussion

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.

3. 

The average production for five years was maximum for which company?

[A]. X
[B]. Y
[C]. Z
[D]. X and Z both

Answer: Option D

Explanation:

Average production (in lakh tons) in five years for the three companies are:

For Company X = [ 1 x (30 + 45 + 25 + 50 + 40) ] = 190 = 38.
5 5

For Company Y = [ 1 x (25 + 35 + 35 + 40 + 50) ] = 185 = 37.
5 5

For Company Z = [ 1 x (35 + 40 + 45 + 35 + 35) ] = 190 = 38.
5 5

Therefore Average production of five years is maximum for both the Companies X and Z.


Agentoo said: (Mar 18, 2018)  
X ( 30 + 45 + 25 + 50 + 40 ) = 190.
Y ( 25 + 35 + 35 + 40 + 50 ) = 185.
Z ( 35 + 40 + 45 + 35 + 35 ) = 190.

It's very simple way.

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