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JEE MAIN 2026 Crash Course
NEET 2026 Crash Course
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एक परीक्ष में 60% छात्र अंग्रेजी में तथा 70% छात्र गणित में सफल हुए। लेकिन 20% छात्र दोनों विषयो में असफल हुए हो, तो परीक्षा में कुल छात्रों की संख्या क्या थी ?
A. `300`
B. `3500`
C. `4000`
D. `5000`

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Correct Answer - d
(d) Candidates failed in English
(100 - 60)% = 40%
Candidates failed in mathematics
= (100 - 70)% = 30%
image
Students passed in both subjects
= 100 - (20 + 20 +10) = 50%
50% of students = 2500
Total students `=2500/50xx100=5000`

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