Once card is drawn at random from a pack of 52 cards. What is the probability that the card drawn is a face card (Jack,Queen and King only)?
A
1/13
B
3/13
C
3/52
D
9/52
Correct Answer: 3/13
1 টি card নেবার মোট ঘটনা C152 12 " face card হতে 1 টি নেওয়া যাবে C112.'. C152 = 52!1!(52 - 1)! = 52×51!1!×51! = 52and C112 = 12!1!(12 - 1)! = 12×11!1!×11! = 12Probability = C112C152 = 1252 = 313