Answer:
50%
Step-by-step explanation:
20-->10
100-->50
50 %
10 marks increased.
hence,
percentage increased = 100×10/20
=50 %
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Answers & Comments
Answer:
50%
Step-by-step explanation:
20-->10
100-->50
Answer:
50 %
Step-by-step explanation:
10 marks increased.
hence,
percentage increased = 100×10/20
=50 %