Class 6 Bar Graphs — practice questions with answers
Data Handling · 5 sample questions from the school syllabus. Try each one, then open the answer and the worked solution.
1. In a bar graph, the bars can be drawn in which two directions?
AOnly horizontal
BOnly vertical
CHorizontal or vertical
DOnly diagonal
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Answer: C) Horizontal or vertical
Bars in a bar graph may be drawn either horizontally or vertically; both are acceptable forms.
2. A favourite-sport bar graph shows Cricket 35, Football 20, Hockey 15, Kabaddi 10. Which sport is the least favourite?
ACricket
BFootball
CHockey
DKabaddi
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Answer: D) Kabaddi
The smallest value is 10 (Kabaddi), so its bar is the shortest.
3. A bar graph of trees planted in a school over four years shows: 2021 - 40, 2022 - 55, 2023 - 70, 2024 - 85. By how many trees did the planting increase each year?
A10
B15
C20
D25
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Answer: B) 15
55 - 40 = 15, 70 - 55 = 15, 85 - 70 = 15. The increase is a constant 15 trees per year.
4. A bar graph shows trees in four gardens: P 35, Q 50, R 50, S 65. If the gardener wants every garden to have as many trees as garden S, how many new trees must be planted in all the other gardens together?
A120
B54
C60
D66
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Answer: C) 60
Needed: P +30, Q +15, R +15 (each raised to 65). Total = 30 + 15 + 15 = 60 trees.
5. A bar graph of a factory's output (in units) for 4 months shows March and May only: March 300, May 420. The April bar is hidden, but the graph states the 4-month total (Feb, Mar, Apr, May) was 1500 and February was 360. How many units were produced in April?
A420
B460
C380
D840
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Answer: A) 420
April = 1500 - (Feb 360 + Mar 300 + May 420) = 1500 - 1080 = 420 units.