(9) मिठाइयों में से ठीक (4) मिठाइयां चुनने के कितने तरीके हैं?
How many ways are there to choose exactly (4) sweets from (9) sweets?
Explanation opens after your attempt
D. (126)
Concept
The ways to choose exactly (4) are \(\binom{9}{4}=126\). When exactly is given, use only one (r) value.
Why this answer is correct
The correct answer is D. (126). The ways to choose exactly (4) are \(\binom{9}{4}=126\). When exactly is given, use only one (r) value.
Exam Tip
ठीक (4) चुनने के तरीके \(\binom{9}{4}=126\) हैं। ठीक शब्द आने पर एक ही (r) मान लें।
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