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vennila

· started a discussion

· 1 Months ago

probability (Question:148509.0)

what is mean by honours cards

Question:
From a pack of cards, two cards are drawn at random. What is the probability that both cards are 'honours cards'?
Options:
A) \(\cfrac{20}{221}\)
B) \(\cfrac{29}{221}\)
C) \(\cfrac{7}{1105}\)
D) \(\cfrac{18}{1105}\)
E) None of these
Solution:

Ans: (a) Total Honours cards = 16

Required probability = \(^16C_2\div^52C_2\) =  (16!/14!2!) ÷ (52!/50!2!)

=(15 x 8) ÷ (26 x 51)

= \(\frac{20}{221}\)

Knowledge Expert

· commented

· 1 Months ago

• The Ace, King, Queen and Jack of each suit are called HONOR CARDS
• The rest of the cards are called SPOT CARDS: like 2, 3, 4, 5, 6, 7, 8, 9, 10
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