Data Interpretation questions and answers

Data Interpretation Questions and Answers

Data Interpretation questions test one's ability in analysing data, inspecting the elements in data and interpreting them to extract maximum information from the given set of data or information. The data is usually given in the form of charts, tables and graphs.

Practise with our Data Interpretation questions and answers to help you know what to expect, improve your speed and confidence and be really prepared for the actual test.

121.

The following table gives the sales of batteries manufactured by a company over the years.

Number of Different Types of Batteries Sold by a Company Over the Years (Numbers in Thousands)

What was the approximate percentage increase in the sales of 55AH batteries in 1998 compared to that in 1992?

A.

28%

B.

31%

C.

33%

D.

34%

Correct answer is D

Required percentage = [ (145 - 108)/108 x 100 ] %

= 34.26%

≈ 34%

122.

Study the following table and answer the questions based on it.

Number of Candidates Who Appeared, Qualified and Selected in a Competitive Examination from Five States Delhi, H.P, U.P, Punjab and Haryana Over the Years 1994 to 1998

What is the approximate percentage of total number of candidates selected to the total number of candidates who qualified for all five states together during the year 1999?

A.

10%

B.

11%

C.

12%

D.

13%

Correct answer is D

Required percentage = [ (82 + 70 + 48 + 65 + 55)/(640 + 560 + 400 + 525 + 350) ] %

= [ 320/2475 x 100 ] %

= 12.93%

≈ 13%

123.

Study the following table and answer the questions based on it.

Number of Candidates Who Appeared, Qualified and Selected in a Competitive Examination from Five States Delhi, H.P, U.P, Punjab and Haryana Over the Years 1994 to 1998

The percentage of candidates selected from U.P over those qualified from U.P is highest in the year?

A.

1997

B.

1998

C.

1999

D.

2001

Correct answer is B

The percentages of candidates selected from U.P. over those qualified from U.P. during different years are:

For 1997 = ( 78/720 x 100 ) % = 10.83%

For 1998 = ( 85/620 x 100 ) % = 13.71%

For 1999 = ( 48/400 x 100 ) % = 12%

For 2000 = ( 70/650 x 100 ) % = 10.77%

For 2001 = ( 80/950 x 100 ) % = 8.42%

Clearly, this percentage is highest for the year 1998.

124.

Study the following table and answer the questions based on it.

Number of Candidates Who Appeared, Qualified and Selected in a Competitive Examination from Five States Delhi, H.P, U.P, Punjab and Haryana Over the Years 1994 to 1998

The number of candidates selected from Haryana during the period under review is approximately what percent of the number selected from Delhi during this period?

A.

79.5%

B.

81%

C.

84.5%

D.

88.5%

Correct answer is D

Required percentage = [ (75 + 75 + 55 + 60 + 75)/(94 + 48 + 82 + 90 + 70) x 100 ] %

= [ 340/384 x 100 ] %

= 88.54%

≈ 88.5%

125.

Study the following table and answer the questions based on it.

Number of Candidates Who Appeared, Qualified and Selected in a Competitive Examination from Five States Delhi, H.P, U.P, Punjab and Haryana Over the Years 1994 to 1998

In the year 1997, which state had the lowest percentage of candidates selected over the candidates who appeared?

A.

Delhi

B.

H.P

C.

U.P

D.

Punjab

Correct answer is D

The percentages of candidates selected over the candidates appeared in 1997, for various states are:

(i) For Delhi = ( 94/8000 x 100 ) % = 1.175%

(ii) For H.P. = ( 82/7800 x 100 ) % = 1.051%

(iii) For U.P. = ( 78/7500 x 100 ) % = 1.040%

(iv) For Punjab ( 85/8200 x 100 ) % = 1.037%

(v) For Haryana ( 75/6400 x 100 ) % = 1.172%

Clearly, this percentage is lowest for Punjab.