(6) अलग-अलग मिठाइयों में से (3) मिठाइयां चुननी हैं और एक विशेष मिठाई अवश्य हो। कितने तरीके हैं?
From (6) different sweets, (3) sweets are to be selected and one special sweet must be included. How many ways are there?
Explanation opens after your attempt
B. (10)
Concept
The special sweet is already selected. Choose the remaining (2) sweets from (5) in \(\binom{5}{2}=10\) ways.
Why this answer is correct
The correct answer is B. (10). The special sweet is already selected. Choose the remaining (2) sweets from (5) in \(\binom{5}{2}=10\) ways.
Exam Tip
विशेष मिठाई पहले से चुनी है। बाकी (2) मिठाइयां (5) में से \(\binom{5}{2}=10\) तरीकों से चुनेंगे।
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