(10) अलग-अलग उपहारों में से (0) उपहार या (1) उपहार चुनने के कुल तरीके कितने हैं?
What is the total number of ways to choose (0) gifts or (1) gift from (10) different gifts?
Explanation opens after your attempt
B. (11)
Concept
Total ways are \(\binom{10}{0}+\binom{10}{1}=1+10=11\). Include the (0) selection too.
Why this answer is correct
The correct answer is B. (11). Total ways are \(\binom{10}{0}+\binom{10}{1}=1+10=11\). Include the (0) selection too.
Exam Tip
कुल तरीके \(\binom{10}{0}+\binom{10}{1}=1+10=11\) हैं। (0) चयन को भी शामिल करें।
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