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In an examination 30 and 35 students respectively failed in History...

This question belongs to Arithmetic Ability Percentage
Percentage
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In an examination, 30% and 35% students respectively failed in History and Geography while 27% students failed in both subjects. If the number of students passing the examination is 248, find the total number of students who appeared in the examination.

Answer & Solution
Correct Answer: Option B
Percentage of failed candidates = (30 + 35 - 27)% = 38%
Percentage of passed candidates = (100 - 38)% = 62%
Let the total number of students appeared be x
Then, 62% of x = 248
⇒ x = $$\frac{248 × 100}{62}$$
⇒ x = 400
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