A box contains 3 blue marbles, 4 red, 6 green marbles and 2 yellow marbles. If three marbles are picked at random, what is the probability that they are all blue?
A. 1/455
B. 2/455
C. 1/91
D. 4/455
Probability · Easy · 1 month ago
Question Bank
Probability
A box contains 3 blue marbles, 4 red, 6 green marbles and 2 yellow marbles. If four marbles are picked at random, what is the probability that none is blue?
A. 17/91
B. 33/91
C. 51/91
D. 65/91
Probability · Easy · 1 month ago
A box contains nine bulbs out of which 4 are defective. If four bulbs are chosen at random, find the probability that at least one bulb is good.
A. 6/63
B. 2/63
C. 125/126
D. 1/126
Probability · Easy · 1 month ago
A box contains nine bulbs out of which 4 are defective. If four bulbs are chosen at random, find the probability that all the four bulbs are defective.
A. 62/63
B. 125/126
C. 1/63
D. 1/126
Probability · Easy · 1 month ago
Three 6 faced dice are thrown together. The probability that exactly two dice show the same number on them is -.
A. 5/9
B. 5/12
C. 1/36
D. 7/12
Probability · Easy · 1 month ago
Three 6 faced dice are thrown together. The probability that no two dice show the same number on them is__________?
A. 7/12
B. 5/9
C. 1/36
D. 5/12
Probability · Easy · 1 month ago
Three 6 faced dice are thrown together. The probability that all the three show the same number on them is -.
A. 1/216
B. 1/36
C. 5/9
D. 5/12
Probability · Easy · 1 month ago
A basket has 5 apples and 4 oranges. Three fruits are picked at random. The probability that at least 2 apples are picked is__________?
A. 25/42
B. 9/20
C. 10/23
D. 41/42
Probability · Easy · 1 month ago
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