Question

A card is drawn randomly from a deck of ordinary playing cards. You win Rs.900 if the card is a spade or a king. What is the probability that you will win the game?

Q: Answer-&lt;p&gt;A card is drawn randomly from a deck of ordinary playing cards. You win Rs.900 if the card...

Let S the event that the card is a spade and let A the event that the card is a King. We know the following There are 52 cards in the deck. There are 13 spades, so PS 1352. There are 4 King, so PA 452. There is 1 King that is also a spade, so PS cap A 152. Therefore, based on the rule of addition PS cup A PS PA - PS cap A PS cup A 1352 452 - 152 1652 413.