(9) टॉपिंग में (2) मसालेदार, (3) चीज़ और (4) अन्य हैं। (3) टॉपिंग चुननी हैं जिनमें कम से कम (1) मसालेदार और कम से कम (1) चीज़ हो। कितने चयन होंगे?
Among (9) toppings, (2) are spicy, (3) are cheese, and (4) are other toppings. Choose (3) toppings with at least (1) spicy and at least (1) cheese topping. How many selections are possible?
Explanation opens after your attempt
B. (33)
Concept
The cases are (1S1C1O), (1S2C), and (2S1C). Total \(2\times3\times4+2\times{}^{3}C_{2}+{}^{2}C_{2}\times3=33\).
Why this answer is correct
The correct answer is B. (33). The cases are (1S1C1O), (1S2C), and (2S1C). Total \(2\times3\times4+2\times{}^{3}C_{2}+{}^{2}C_{2}\times3=33\).
Exam Tip
मामले (1S1C1O), (1S2C), और (2S1C) हैं। कुल \(2\times3\times4+2\times{}^{3}C_{2}+{}^{2}C_{2}\times3=33\)।
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