Probability (SSC)

Total Questions: 64

61. There are a total 18 balls in a bag. Out of them 6 are red in colour, 4 are green in colour and 8 are blue in colour. If Vishal picks three balls randomly from the bag, then what will be the probability that all the three balls are not of the same colour?

1. (a)
2. (b)
3. (c)
4. (d)

Correct Answer: (d)

Solution:

62. A card is drawn from a well shuffled pack of 52 cards. What is the probability of getting a queen or club card?

1. (a)
2. (b)
3. (c)
4. (d)

Correct Answer: (c)

Solution:

63. 2 dice are thrown simultaneously. What is the probability that the sum of the numbers on the faces is divisible by either 3 or 5?

1. (a)
2. (b)
3. (c)
4. (d)

Correct Answer: (b)

Solution:

64. Two friends Harish and Kalyan appeared for an exam. Let A be the event that Harish is selected and B is the event that Kalyan is selected. The probability of A is 2/5 and that of B is 3/7. Find the probability that both of them are selected.

1. (a)
2. (b)
3. (c)
4. (d)

Correct Answer: (d)

Solution:

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