CBSE Board Practice

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CBSE Grade X - Probability
Question 1
1.
One card is drawn at random from a well shuffled deck of 52 cards. What is the probability that the card drawn is '3' of spades?
  • 1
    26
  • 1
    52
  • 1
    13
  • 1
    4
  • 3
    13
Question 2
2.
    • If P(E) =
    • 0.43
    • , find P(
    •  

      E
       
       
    • )
  • 8.57
  • 2.57
  • 0.57
  • 7.57
  • 1.57
Question 3
3.
A lot of 39 bulbs contain 4 defective ones. One bulb is drawn at random from the lot. What is the probability that this bulb is defective ?
  • 5
    39
  • 1
    13
  • 4
    39
  • 1
    8
  • 35
    39
Question 4
4.
One card is drawn at random from a well shuffled deck of 52 cards. What is the probability that the card drawn is either a red card or a king?
  • 1
    52
  • 1
    13
  • 3
    13
  • 1
    26
  • 7
    13
Question 5
5.
An unbiased die is thrown once. Find the probability of getting a prime number?
  • 5
    6
  • 3
    4
  • 1
    2
  • 4
    5
  • 2
    3
Question 6
6.
A die is thrown twice. What is the probability that 6 will come atleast once?
  • 11
    36
  • 12
    37
  • 5
    18
  • 25
    36
  • 1
    3
Question 7
7.
An unbiased die is thrown once. Find the probability of getting a 6?
  • 0
  • 5
    6
  • 2
    7
  • 1
    3
  • 1
    6
Question 8
8.
Which of the following are possible values of probability?
a)
0.11
b)
-4.3
c)
1
8
d)
3
e)
7
5
  • {e,b,a}
  • {b,a}
  • {d,c}
  • {a,c}
  • {d,c,a}
Question 9
9.
One card is drawn at random from a well shuffled deck of 52 cards. What is the probability that the card drawn is a clubs?
  • 1
    13
  • 3
    13
  • 1
    52
  • 1
    26
  • 1
    4
Question 10
10.
Two unbiased coins are tossed simultaneously. Find the probability of getting exactly one head.
  • 4
    5
  • 3
    4
  • 2
    3
  • 1
    2
  • 5
    6