ICSE Board Practice

Class VI Class VII Class VIII Class IX Class X
ICSE Grade X - Probability
Question 1
1.
When a card is selected randomly out of a pack of cards, how many elementary events are possible?
  • 52
  • 55
  • 53
  • 49
  • 51
Question 2
2.
Three unbiased coins are tossed simultaneously. Find the probability of getting at least one head.
  • 7
    8
  • 1
    8
  • 1
  • 8
    9
  • 3
    4
Question 3
3.
One card is drawn at random from a well shuffled deck of 52 cards. What is the probability that the card drawn is a black jack?
  • 3
    13
  • 1
    52
  • 1
    13
  • 1
    26
  • 1
    4
Question 4
4.
An unbiased die is thrown once. Find the probability of getting a 4?
  • 1
    6
  • 2
    7
  • 1
    3
  • 0
  • 5
    6
Question 5
5.
Two unbiased coins are tossed simultaneously. Find the probability of getting at most one head.
  • 1
    2
  • 3
    4
  • 1
    4
  • 1
  • 4
    5
Question 6
6.
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?
  • 3
    13
  • 1
    13
  • 1
    52
  • 1
    26
  • 1
    4
Question 7
7.
In a musical chair game, the person playing the music has been advised to stop playing the music at any time with in 2 minutes after she starts playing. What is the probabilty that the music will stop within the first half-minute after starting?
  • 2
    5
  • 0
  • 1
    2
  • 3
    4
  • 1
    4
Question 8
8.
An unbiased die is thrown once. Find the probability of getting a prime number?
  • 5
    6
  • 1
    2
  • 4
    5
  • 3
    4
  • 2
    3
Question 9
9.
A survey of 90 men showed that only 75 of them know Hindi. Out of these men, if one is selected at random, what is the probability that the selected man knows Hindi?
  • 6
    7
  • 2
    3
  • 1
  • 5
    6
  • 1
    6
Question 10
10.
A coin is tossed 40 times and tail appears 35 times. If the coin is tossed again, what is the probability of getting a head?
  • 2
    9
  • 0
  • 7
    8
  • 1
    8
  • 1
    4