MEDIUM
7th ICSE
IMPORTANT
Earn 100

There are 8 marbles in a bag with numbers from 1 to 8 marked on each of them. What is the probability of drawing a marble with number 7?

50% studentsanswered this correctly

Important Questions on Probability

EASY
7th ICSE
IMPORTANT
Concise Mathematics Middle School Class 7>Chapter 22 - Probability>EXERCISE 22 (A)>Q 7

 Two coins are tossed simultaneously 100 and the outcomes are as given below : 

Outcomes Two heads (H H) Exactly one head (H T or T H) No head (T T)
Number of times 21 55 24

If the same pair of coins is tossed again at random, find the probability of getting two heads.
 

EASY
7th ICSE
IMPORTANT
Concise Mathematics Middle School Class 7>Chapter 22 - Probability>EXERCISE 22 (A)>Q 7

 Two coins are tossed simultaneously 100 and the outcomes are as given below : 

Outcomes Two heads (H H) Exactly one head (H T or T H) No head (T T)
Number of times 21 55 24

If the same pair of coins is tossed again at random, find the probability of getting exactly one head.

EASY
7th ICSE
IMPORTANT
Concise Mathematics Middle School Class 7>Chapter 22 - Probability>EXERCISE 22 (A)>Q 7

 Two coins are tossed simultaneously 100 and the outcomes are as given below : 

Outcomes Two heads (H H) Exactly one head (H T or T H) No head (T T)
Number of times 21 55 24

If the same pair of coins is tossed again at random, find the probability of getting no head.

EASY
7th ICSE
IMPORTANT
Concise Mathematics Middle School Class 7>Chapter 22 - Probability>EXERCISE 22 (A)>Q 8
A bag contains 4 white and 6 black balls, all of the same shape and same size. A ball is drawn from the bag without looking into the bag. Find the probability that the ball drawn is a black ball.
EASY
7th ICSE
IMPORTANT
Concise Mathematics Middle School Class 7>Chapter 22 - Probability>EXERCISE 22 (A)>Q 8
A bag contains 4 white and 6 black balls, all of the same shape and same size. A ball is drawn from the bag without looking into the bag. Find the probability that the ball drawn is a white ball.
EASY
7th ICSE
IMPORTANT
Concise Mathematics Middle School Class 7>Chapter 22 - Probability>EXERCISE 22 (A)>Q 8
A bag contains 4 white and 6 black balls, all of the same shape and same size. A ball is drawn from the bag without looking into the bag. Find the probability that the ball drawn is a not a black ball.
EASY
7th ICSE
IMPORTANT
Concise Mathematics Middle School Class 7>Chapter 22 - Probability>EXERCISE 22 (A)>Q 9
In a single throw of a dice, find the probability of getting a number 4.
EASY
7th ICSE
IMPORTANT
Concise Mathematics Middle School Class 7>Chapter 22 - Probability>EXERCISE 22 (A)>Q 9
In a single throw of a dice, find the probability of getting a number 6.