CBSE Class 10-Mathematics: Chapter –15 Probability Part 20
Glide to success with Doorsteptutor material for CBSE : fully solved questions with step-by-step explanation- practice your way to success.
Question 6:
From a pack of playing cards, jacks, queens, kings and aces of red colour are removed. From the remaining a card is drawn at random. Find the probability that the card drawn is (i) a black queen, (ii) a red card, (iii) a black jack,(iv) a honorable card.
Answer:
Total number of outcomes
Cards removed [2 jack, queen, king and aces of red colour]
Remaining number of cards
Total number of outcomes = 44
(i) Favourable outcomes [There are black queen]
Required probability
(ii) Favourable outcomes number of red cards left
Probability for a red card
(iii) Favourable outcomes Number of black jacks
Required probability
(iv) Number of picture cards left [jack, queen, King are picture cards]
Required probability
(v) Honorable cards [ace, jack, queen and king]
No. of honorable cards left
Required probability