(9) खिलाड़ियों में से कप्तान, उपकप्तान और विकेटकीपर चुनने हैं। (2) विशेष खिलाड़ी विकेटकीपर नहीं बन सकते और कोई खिलाड़ी दो पद नहीं ले सकता। कुल कितने चयन संभव हैं?
From (9) players, a captain, a vice-captain, and a wicketkeeper are to be selected. (2) special players cannot be wicketkeeper and no player can hold two positions. How many selections are possible?
Explanation opens after your attempt
C. \(7 \times 8 \times 9=504\)
Concept
Choose the wicketkeeper first with (7) choices, then captain and vice-captain have (8) and (7) choices. Fill the most restricted post first.
Why this answer is correct
The correct answer is C. \(7 \times 8 \times 9=504\). Choose the wicketkeeper first with (7) choices, then captain and vice-captain have (8) and (7) choices. Fill the most restricted post first.
Exam Tip
पहले विकेटकीपर चुनें, उसके (7) विकल्प हैं, फिर कप्तान और उपकप्तान के (8) और (7) विकल्प हैं। सबसे सीमित पद पहले भरें।
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