Learn Maths Probability, Class 9 Maths Probability Exercise, Free Online Probability Lessons

Class 9 Maths Study Material

An Educational platform for Preparation and Practice Class 9. Kidsfront provide unique pattern of learning Maths with free online comprehensive study material in the form of QUESTION & ANSWER for each Chapter of Maths for Class 9. This study material help Class 9, Maths students in learning every aspect of Probability. Students can understand Probability concept easily and consolidate their learning by doing Online Practice Tests on Maths,Probability chapter repeatedly till they excel in Class 9, Probability. Free ONLINE PRACTICE TESTS on Class 9, Probability comprise of Hundreds of Questions on Probability, prepared by the highly professionals team. Every repeat test of Probability will have new set of questions and help students to prepare themselves for exams by doing unlimited Online Test exercise on Probability. Attempt ONLINE TEST on Class 9,Maths,Probability in Academics section after completing this Probability Question Answer Exercise.

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Probability

A dice is thrown 100 times and number of times occurrence of 6 was recorded. The probability of occurrence of 6 was recorded as 2/5. Find the number of times 6 has been recorded in the above event

a)     50 times
b)     40 times
c)     30 times
d)     20 times

✔Answer

Correct Answer Is : 40 times

Solution Is :

5 bags of rice each marked 10kg actually contained the following weight of rice 9.97,10.05,10.08,9.99,10.10 If any of these bags is chosen at random, find the probability of the bag containing rice more than 10kg

a)     3/5
b)     2/5
c)     4/5
d)     1/5

✔Answer

Correct Answer Is : 3/5

Solution Is :

Three coins are tossed simultaneously 200 times with the following frequencies of different outcomes If the three coins are tossed simultaneously computer the probability of 2 heads coming up

a)     19/25
b)     7/25
c)     4/25
d)     9/25

✔Answer

Correct Answer Is : 9/25

Solution Is :

In a cricket match a batsman hits a boundary 6 times out of 36 balls faced. Find out the probability that on a ball played he does not hit a boundary

a)     4/6
b)     5/6
c)     8/12
d)     3/6

✔Answer

Correct Answer Is : 5/6

Solution Is :

In a football match, a player makes 6 goals from 18 kicks. The probability that the player makes goal from 18 kicks is

a)     1/3
b)     2/3
c)     5/18
d)     8/12

✔Answer

Correct Answer Is : 1/3

Solution Is :

The percentage of attendance in different classes in a year are given below What is the probability that the class attendance is more than 70%

a)     3/6
b)     5/6
c)     4/6
d)     9/12

✔Answer

Correct Answer Is : 4/6

Solution Is :

In a survey of 300 men, 75 take only coffee, 45 take only tea, 35 do not take either and rest take both tea and coffee. Find the probability that a man takes coffee

a)     7/15
b)     11/15
c)     9/15
d)     13/15

✔Answer

Correct Answer Is : 11/15

Solution Is :

An apple falls down from a tree. This is an example of

a)     Certain event
b)     Uncertain event
c)     Possible event
d)     Impossible event

✔Answer

Correct Answer Is : Certain event

Solution Is :

A dice is rolled 500 times and the consecutive occurrence of the outcomes 1,2,3,4,5 and 6 are given below The probability of getting a prime number is

a)     54/150
b)     39/50
c)     1/3
d)     1/2

✔Answer

Correct Answer Is : 1/2

Solution Is :

A bag contains 50 coins and each coin is marked from 50 to 100. One coin is picked at random. The probability that the number on the coin is not a prime number is

a)     2/5
b)     3/10
c)     7/10
d)     3/5

✔Answer

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Class 9 Maths Study Material

Probability

A dice is thrown 100 times and number of times occurrence of 6 was recorded. The probability of occurrence of 6 was recorded as 2/5. Find the number of times 6 has been recorded in the above event

Correct Answer Is : 40 times

Solution Is :

5 bags of rice each marked 10kg actually contained the following weight of rice 9.97,10.05,10.08,9.99,10.10 If any of these bags is chosen at random, find the probability of the bag containing rice more than 10kg

Correct Answer Is : 3/5

Solution Is :

Three coins are tossed simultaneously 200 times with the following frequencies of different outcomes If the three coins are tossed simultaneously computer the probability of 2 heads coming up

Correct Answer Is : 9/25

Solution Is :

In a cricket match a batsman hits a boundary 6 times out of 36 balls faced. Find out the probability that on a ball played he does not hit a boundary

Correct Answer Is : 5/6

Solution Is :

In a football match, a player makes 6 goals from 18 kicks. The probability that the player makes goal from 18 kicks is

Correct Answer Is : 1/3

Solution Is :

The percentage of attendance in different classes in a year are given below What is the probability that the class attendance is more than 70%

Correct Answer Is : 4/6

Solution Is :

In a survey of 300 men, 75 take only coffee, 45 take only tea, 35 do not take either and rest take both tea and coffee. Find the probability that a man takes coffee

Correct Answer Is : 11/15

Solution Is :

An apple falls down from a tree. This is an example of

Correct Answer Is : Certain event

Solution Is :

A dice is rolled 500 times and the consecutive occurrence of the outcomes 1,2,3,4,5 and 6 are given below The probability of getting a prime number is

Correct Answer Is : 1/2

Solution Is :

A bag contains 50 coins and each coin is marked from 50 to 100. One coin is picked at random. The probability that the number on the coin is not a prime number is

Correct Answer Is : 7/10

Solution Is :

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