From a pack of 52 cards, two cards are dr… | Answer | TuitionWave

Subject

Quantitative Aptitude

Topic

Probability

From a pack of 52 cards, two cards are drawn together at random. What is the probability of both the cards being kings?
Reading

ক)

1/15

খ)

1/221

গ)

25/57

ঘ)

35/256

Explanation

Let S be the sample space Then, n(S) =

52C_2

= 1326. Let E = event of getting 2 kings out of 4. n(E) =

\frac{52\times51}{2\times1}

= 6

4C_2

=

\frac{4\times3}{2\times1}

P(E)=\frac{n(E)}{n(S)}=\frac6{1326}=\frac1{221}

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