Data interpretation
Ten quantitative aptitude questions, each marked as you answer.
Directions for questions 1 to 5
Study the table and answer the questions that follow.
Bicycles sold by five shops, in two successive years Shop Year 1 Year 2 Shop P 220 308 Shop Q 520 468 Shop R 420 504 Shop S 500 400 Shop T 680 612 -
Which one grew the most in percentage terms from Year 1 to Year 2?
Answer and working
Answer A
Growth: Shop P 40%, Shop Q −10%, Shop R 20%, Shop S −20%, Shop T −10%. The highest is Shop P.
-
What is the total for Shop Q over the two years?
Answer and working
Answer D
520 + 468 = 988.
-
What is the average Year 2 figure of the five?
Answer and working
Answer B
Sum of Year 2 = 2,292. ÷ 5 = 458.4.
-
Shop R’s Year 2 figure is what percent of Shop T’s Year 2 figure?
Answer and working
Answer B
504 ÷ 612 × 100 = 82.35%.
-
What is the ratio of Shop S’s Year 1 figure to Shop P’s Year 2 figure?
Answer and working
Answer A
500 : 308 = 125 : 77.
Directions for questions 6 to 10
Study the table and answer the questions that follow.
Cars produced by five plants, in two successive years Plant Year 1 Year 2 Plant J 680 1,020 Plant K 400 440 Plant L 560 700 Plant M 300 270 Plant N 300 420 -
What is the ratio of Plant K’s Year 1 figure to Plant N’s Year 2 figure?
Answer and working
Answer A
400 : 420 = 20 : 21.
-
What is the average Year 2 figure of the five?
Answer and working
Answer C
Sum of Year 2 = 2,850. ÷ 5 = 570.
-
By what percent did Plant M’s figure change from Year 1 to Year 2?
Answer and working
Answer D
Change = 270 − 300 = −30. On Year 1: −30 ÷ 300 × 100 = 10% decrease.
-
What is the total for Plant M over the two years?
Answer and working
Answer C
300 + 270 = 570.
-
Which one grew the most in percentage terms from Year 1 to Year 2?
Answer and working
Answer B
Growth: Plant J 50%, Plant K 10%, Plant L 25%, Plant M −10%, Plant N 40%. The highest is Plant J.
More quantitative aptitude: Percentages, Profit, loss and discount, Simple interest, Compound interest, Ratio and proportion, Averages.