Q. The bar graph shows average marks scored in a 100 marks History exam by students of 7 divisions of standard X. Study the diagram and answer the following questions. If all students of Division C lost 10 marks each for cheating in the test then their new average marks would decrease by how much?
A) 10%
B) 25%
C) 15%
D) 20%
✔ Correct Answer: 25%
Exam Insight
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