# Bar Charts Questions and Answers Home > Diagrammatic Tests > Data Interpretation > Bar Charts >Bar Chart Questions Study the bar chart and answer the question based on it. What was the percentage decline in the production of fertilizers from 1997 to 1998?

A. 33(1/3)%
B. 20%
C. 25%
D. 21%

Explanation:

Required percentage

= (45-60)/60%

= -25%.

Therefore There is a decline of 25% in production from 1997 to 1998. The average production of 1996 and 1997 was exactly equal to the average production of which of the following pairs of years?

A. 2000 and 2001
B. 1999 and 2000
C. 1998 and 2000
D. 1995 and 2001

Explanation:   What was the percentage increase in production of fertilizers in 2002 compared to that in 1995?

A. 320%
B. 300%
C. 220%
D. 200%

Explanation:

Required percentage

= (80-25)/25 %

= 220%. In which year was the percentage increase in production as compared to the precious year the maximum?

A. 2002
B. 2001
C. 1997
D. 1996

Explanation: The percentage increase in production compared to previous year for different years are:  In how many of the given years was the production of fertilizers more than the average production of the given years?

A. 1
B. 2
C. 3
D. 4

Explanation:

Average production (in 10000 tonnes) over the given years

= 1/8x(25 + 40 + 60 + 45 + 65 + 50 + 75 + 80)

= 55.

Therefore The productions during the years 1997, 1999, 2001 and 2002 are more than the average production.  #### Line Charts

The largest provider of tests on the web. We have thousands of questions covering

numerical and verbal aptitude tests, diagrammatic and logic tests, reasoning tests,

puzzles, general knowledge test questions and GMAT test advice and questions.

No login required. All tests are free. All the tests you need when you need them.