The bar graph shows average marks scored in a 100 marks Geography exam by students of 7 divisions of Standard X. Study the diagram and answer the following questions.
Marks scored by Division A = 25
Marks scored by Division C = 50
=> Required % = $$\frac{(50-25)}{50}\times100$$
= $$25\times2=50\%$$
=> Ans - (D)
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