A double bar graph displays two sets of data:
ASeparately
BSelectively
CSimultaneously
DSequentially
Answer & Solution
Correct answer: C. Simultaneously
1. Two single graphs would need two glances.
2. The double form puts them side by side.
3. A double bar graph shows two sets of data simultaneously.
4. So the answer is simultaneously.
_Source: NCERT Class 8 Mathematics, Ch 4 'Data Handling'_
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