100+ DI Bar Graph Questions for Competitive Exams - 1

Study the following bar graph carefully and answer the questions given below.

Pie chart

Question: 1

The average export of pearls for the given period (in crores of Rs.) was

(A) 8.7

(B) 8.73

(C) 9.73

(D) 9.93

Ans: B

Average export of pearls over the period

= Rs. {$${1}/{7}(5.2 + 6.5 + 7.8 + 9.9 + 10.8 + 9.5 + 11.4)$$} crores

= Rs. $$({61.1} / {7})$$ crores = Rs. (8.728) crores = Rs. 8.73 crores.

Question: 2

What was the percentage increase in export from 2006 to 2007?

(A) 17%

(B) 18%

(C) 20%

(D) 21%

Ans: C

Percentage increase in export from 2006 to 2007

= $$[{(11.4 – 9.5)}/{9.5} × 100]$$%

= $$({1.9}/{9.5} × 100)$$%

= $$({19} / {95} × 100)$$% = 20%.

Question: 3

In which of the following pairs of years was the average export of pearls around Rs. 9 crores?

(A) 2002 and 2003

(B) 2003 and 2004

(C) 2004 and 2005

(D) 2005 and 2006

Ans: B

Average export in 2003 and 2004 = Rs. $$({7.8 + 9.9} / {2} )$$ crores

= Rs. $$({17.7} / {2})$$crores = Rs. 8.85 crores = Rs. 9 crores (nearly)

Question: 4

In how many years was the export above average for the given period?

(A) 1

(B) 2

(C) 3

(D) 4

Ans: D

Average export during the given period = Rs. 8.73 crores.

It was above average in 2004, 2005, 2006 and 2007, i.e. in 4 years.

Question: 5

In which year was there maximum percentage increase in export of pearls to that in the previous year?

(A) 2002

(B) 2004

(C) 2007

(D) 2008

Ans: B

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