(6) अभियंता, (5) डॉक्टर और (4) अध्यापकों में से (7) सदस्यों का दल बनाना है। दल में ठीक (2) डॉक्टर और कम से कम (2) अभियंता हों। कुल कितने दल बनेंगे?
From (6) engineers, (5) doctors, and (4) teachers, a team of (7) members is to be formed. The team must have exactly (2) doctors and at least (2) engineers. How many teams are possible?
Explanation opens after your attempt
C. (2460)
Concept
First choose (2) doctors, then choose the remaining (5) members from engineers and teachers with at least (2) engineers. Keep exact and at least conditions in separate stages.
Why this answer is correct
The correct answer is C. (2460). First choose (2) doctors, then choose the remaining (5) members from engineers and teachers with at least (2) engineers. Keep exact and at least conditions in separate stages.
Exam Tip
पहले (2) डॉक्टर चुनें, फिर बचे (5) सदस्य अभियंता और अध्यापकों से कम से कम (2) अभियंताओं सहित चुनें। ठीक और कम से कम शर्तों को अलग चरणों में रखें।
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