(3) अलग-अलग सिक्कों को एक क्रम में रखने के तरीके कितने हैं?
How many ways are there to place (3) different coins in an order?
Explanation opens after your attempt
D. (6)
Concept
The arrangement of (3) distinct coins is (3!=6). Use factorial for full arrangement of distinct objects.
Why this answer is correct
The correct answer is D. (6). The arrangement of (3) distinct coins is (3!=6). Use factorial for full arrangement of distinct objects.
Exam Tip
(3) अलग सिक्कों की व्यवस्था (3!=6) है। अलग objects की पूरी arrangement factorial से करें।
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