ICSE Board Practice

Class VI Class VII Class VIII Class IX Class X
ICSE Grade X - Probability
Question 1
1.
Two unbiased coins are tossed simultaneously. Find the probability of getting at least one head.
  • 1
    2
  • 3
    4
  • 1
  • 1
    4
  • 4
    5
Question 2
2.
Which of the following are possible values of probability?
a)
4
3
b)
1
2
c)
0.33
d)
3
e)
-5
  • {d,c}
  • {a,b}
  • {d,c,b}
  • {e,a,b}
  • {b,c}
Question 3
3.
A bag contains 36 red marbles, 9 black marbles, 18 blue marbles and 45 pink marbles. One marble is drawn at random from the bag. Find the probability that the marble drawn is pink.
  • 1
    2
  • 1
    3
  • 6
    13
  • 7
    12
  • 5
    12
Question 4
4.
    • A die is thrown 365 times with the frequencies for outcomes 1, 2, 3, 4, 5 and 6 as given in the following table
    • Outcome
      1
      2
      3
      4
      5
      6
      Frequency
      25
      45
      50
      70
      85
      90
    • If the die is thrown again randomly, find the probability of getting 2 as outcome.
  • 5
    37
  • 9
    73
  • 64
    73
  • 10
    73
  • 8
    73
Question 5
5.
One card is drawn at random from a well shuffled deck of 52 cards. What is the probability that the card drawn is a king of hearts?
  • 1
    26
  • 3
    13
  • 1
    13
  • 1
    4
  • 1
    52
Question 6
6.
Three unbiased coins are tossed simultaneously. Find the probability of getting at least one head.
  • 8
    9
  • 1
  • 1
    8
  • 3
    4
  • 7
    8
Question 7
7.
An unbiased die is thrown once. Find the probability of getting a number less than 6?
  • 1
  • 6
    7
  • 1
    6
  • 2
    3
  • 5
    6
Question 8
8.
Three unbiased coins are tossed simultaneously. Find the probability of getting no head.
  • 2
    9
  • 1
    4
  • 7
    8
  • 0
  • 1
    8
Question 9
9.
An unbiased die is thrown once. Find the probability of getting an even number?
  • 3
    4
  • 5
    6
  • 1
    2
  • 2
    3
  • 4
    5
Question 10
10.
Which of the following experiments have equally likely outcomes?
a)
A ball is hit. It reaches the boundary or not
b)
A man throws a die. The number on the top is either 4 or not 4
c)
A baby is born. It is a boy or girl
d)
A man starts his vehicle. It starts or it does not starts
e)
A true/false question is attempted. The answer is either right or wrong
  • {c,e}
  • {b,e,c}
  • {a,c}
  • {d,a,c}
  • {b,e}