Balls-Based Questions
1. A bag contains 4 red, 5 blue, and 6 green balls. If one ball is drawn at random, what is the probability that it is either red or blue?
2. A box contains 7 white, 3 black, and 5 yellow balls. What is the probability of picking either a black or yellow ball?
3. A basket has 6 red, 4 blue, and 8 green balls. If one ball is chosen randomly, find the probability that it is either red or green.
4. A bag contains 10 black, 15 white, and 5 red balls. What is the probability of drawing either a black or red ball?
5. A container has 9 blue, 3 white, and 4 red balls. If one ball is picked, find the probability that it is either white or blue.
6. There are 12 balls in a box: 4 red, 5 blue, and 3 yellow. What is the probability of picking either a red or yellow ball?
7. A bag contains 8 green, 6 black, and 5 white balls. If one ball is drawn, what is the probability that it is either green or black?
8. A basket has 9 white, 7 red, and 6 blue balls. Find the probability of drawing either a red or a blue ball.
9. A box has 10 orange, 3 pink, and 7 purple balls. What is the probability of selecting either an orange or purple ball?
10. A container holds 5 black, 8 yellow, and 12 white balls. Find the probability of picking either a yellow or black ball.
Number Card-Based Questions
11. A deck of 20 number cards has numbers from 1 to 20. If a card is randomly selected, what is the probability that it is either a multiple of 3 or a multiple of 5?
12. A set of 30 cards is numbered from 1 to 30. Find the probability of drawing a card that is either even or a multiple of 7.
13. A deck of 50 cards is labeled from 1 to 50. What is the probability of picking a card that is either a prime number or an even number?
14. A box contains 40 number cards numbered from 1 to 40. If one card is picked at random, what is the probability that it is either divisible by 4 or 6?
15. A stack of 25 cards is labeled from 1 to 25. If a card is randomly chosen, find the probability that it is either a perfect square or a multiple of 3.
16. A collection of 15 cards is numbered from 1 to 15. What is the probability of drawing a card that is either a multiple of 2 or 5?
17. A deck contains numbers from 1 to 100. If one card is picked randomly, find the probability that the number is either greater than 50 or a multiple of 10.
18. A stack of cards numbered from 1 to 60 is available. What is the probability that a randomly selected card has a number either less than 20 or greater than 50?
19. A game uses cards numbered from 1 to 80. What is the probability that a randomly picked card shows a number either a prime number or a multiple of 4?
20. A deck of 30 cards contains numbers from 1 to 30. If a card is drawn, find the probability that the number is either an odd number or a multiple of 6.
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