Arithmetic Ability
 Probability

120 / 132

Q.

Two cards are drawn together from a pack of 52 cards. The probability that one is a spade and one is a heart, is:

View Answer

Correct choice: D

Explanation:

Let S be the sample space. Then, n(S) = 52C2 =(52 x 51)/(2 x 1) = 1326. Let E = event of getting 1 spade and 1 heart. n(E)= number of ways of choosing 1 spade out of 13 and 1 heart out of 13 = 13C1*13C1 = 169. P(E) = n(E)/n(S) = 169/1326 = 13/102.
120 / 132