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In an examination 75% candidates passed in English and 60% passed in Mathematics. 25% failed in both and 240 passed the examination. Find the total number of candidates.
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- 492
- 300
- 500
- 400
Correct Option: D
Failures in English = 100 – 75 = 25
Failures in Maths = 100–60 = 40
Failures in both subjects = 25
Failures in English only= 25 – 25 = 0
Failures n Maths only = 40 – 25 = 15
Failures in one or both subjects = 25 + 15 = 40
Percentage of successful = 100 – 40 = 60
Let total students be x
| ∴ x × | = 240 | 100 |
| ⇒ x = | = 400 | 60 |
