Q. In the final exam of class IX there were 50 students and 10 % of them failed. How many students passed to class X?
- 30
- 35
- 40
- 45
EXPLANATION
Answer D
Percentage of students passed to class X = 100 % – 10 % = 90 %
90 % of 50
= 90/100 × 50
= 4500/100
= 45
Therefore, 45 students passed to class X.
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