A bag contains 7 green and 8 white balls. If two balls are drawn simultaneously, the probability that both are of the same colour is -.
A. 8/15
B. 2/5
C. 3/5
D. 7/15
Probability · Easy · 2 months ago
Question Bank
Probability
If six persons sit in a row, then the probability that three particular persons are always together is____________?
A. 1/20
B. 3/10
C. 1/5
D. 4/5
Probability · Easy · 2 months ago
If a card is drawn from a well shuffled pack of cards, the probability of drawing a spade or a king is__________?
A. 19/52
B. 17/52
C. 5/13
D. 4/13
Probability · Easy · 2 months ago
If four coins are tossed, the probability of getting two heads and two tails is__________?
A. 3/8
B. 6/11
C. 2/5
D. 4/5
Probability · Easy · 2 months ago
If two dice are thrown together, the probability of getting an even number on one die and an odd number on the other is__________?
A. 1/4
B. 1/2
C. 3/4
D. 3/5
Probability · Easy · 2 months ago
Out of first 20 natural numbers, one number is selected at random. The probability that it is either an even number or a prime number is_____________?
A. 1/2
B. 16/19
C. 4/5
D. 17/20
Probability · Easy · 2 months ago
If a number is chosen at random from the set {1, 2, 3, …., 100}, then the probability that the chosen number is a perfect cube is___________?
A. 1/25
B. 1/2
C. 4/13
D. 1/10
Probability · Easy · 2 months ago
A coin is tossed live times. What is the probability that there is at the least one tail?
A. 31/32
B. 1/16
C. 1/2
D. 1/32
Probability · Easy · 2 months ago
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