In a class 40% of the students enrolled for Math and 70% enrolled for Economics. If 15% of the students enrolled for both Math and Economics, what % of the students of the class did not enroll for either of the two subjects?

15%

25%

None of these

উত্তর সিলেক্ট করলে সঠিক ও ভুল দেখাবে।

ব্যাখ্যা ও সঠিক সমাধান

উত্তর: 5%

Only enrolled for math = 40 - 15 = 25% " " economics = 70 - 15 = 55% In both enrolled = 25% + 55% + 15% = 95% ⸫ Did not enrolled = 100 - 95 = 5%

বিস্তারিত সমাধান