Taking all five years together, the farm's…

Taking all five years together, the farm's mustard production was what percentage of its wheat production?

Question 19

HardOriginal question

The table shows a farm's production of wheat and mustard, in quintals, over five years.

Year	Wheat	Mustard
2021	450	120
2022	480	150
2023	400	180
2024	540	160
2025	630	190

Taking all five years together, the farm's mustard production was what percentage of its wheat production?

32%Correct answerYour answer32.5%Correct answerYour answer45%Correct answerYour answer312.5%Correct answerYour answer

Show the answer and explanation

CorrectNot quiteAnswer A

Correct answer: A

Total wheat: $450 + 480 + 400 + 540 + 630 = 2500$ .
Total mustard: $120 + 150 + 180 + 160 + 190 = 800$ .
Percentage: $\frac{800}{2{,}500} \times 100 = 32\%$ .

Worth noting

45% is the figure for 2023 alone. 32.5% averages the five yearly percentages; totals must be compared, because the years have different wheat outputs. 312.5% is wheat as a percentage of mustard, the ratio upside down.

Concept: Ratio of column totals, not the average of row ratios
Typical timeTypical: 120 s
Your timeYours: —

The rule this testsTables

Practise this chapter →

Ten questions from Data Interpretation, at your own pace.

Practise this chapter →

Ten questions from Data Interpretation, at your own pace.

Taking all five years together, the farm's mustard production was what percentage of its wheat production?

Question 19

Explanation