Learn Maths Probability, Class 11 Maths Probability Exercise, Free Online Probability Lessons

Class 11 Maths Study Material

An Educational platform for Preparation and Practice Class 11. 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 11. This study material help Class 11, 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 11, Probability. Free ONLINE PRACTICE TESTS on Class 11, 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 11,Maths,Probability in Academics section after completing this Probability Question Answer Exercise.

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Probability

Two coins are tossed. What is the probability of getting 2 heads or 2 tails?

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

✔Answer

Correct Answer Is : 1/2

Solution Is :

A fair dice is tossed. If the number is even, then the probability that it is prime is

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

✔Answer

Correct Answer Is : 1/3

Solution Is :

Two coins are tossed once find probability of
i)tail appears on one coin;
ii)no head appears

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

✔Answer

Correct Answer Is : 1/2;1/4

Solution Is :

Mother ,father and son line up at random for family picture, what is the probability of son is on one end?

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

✔Answer

Correct Answer Is : 2/3

Solution Is :

If P(E)=0.6 , P(F)=0.3 , P(E∩F)=0.2 ; then find P(E|F)

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

✔Answer

Correct Answer Is : 2/3

Solution Is :

If P(E)=0.8 , P(F)=0.5 , P(F|E)=0.4 ; then find P(E∩F)

a) 0.32
b) 0.64
c) 0.98
d) 1

✔Answer

Correct Answer Is : 0.32

Solution Is :

A die is rolled, Consider events E{1,3,5},F{2,3} find P(E∩F)

a) 1/3
b) 2/3
c) 1/4
d) 1/6

✔Answer

Correct Answer Is : 1/6

Solution Is :

If P(A)=1/2 , P(B)=1/3; find P(A∩B) if A & B are independent events

a) 1
b) 2/3
c) 1/3
d) 1/6

✔Answer

Correct Answer Is : 1/6

Solution Is :

Two balls are drawn at random with replacement of box containing 10 black & 8 red balls find the probability that both balls are red

a) 16/81
b) 1/4
c) 5/9
d) 20/81

✔Answer

Correct Answer Is : 16/81

Solution Is :

Two balls are drawn at random with replacement of box containing 10 black & 8 red balls find the probability that 1st ball is black & 2nd is red

a) 16/81
b) 1/4
c) 5/9
d) 20/81

✔Answer

Correct Answer Is : 20/81

Solution Is :

❑Permutations and Combinations
❑Sets and their representations
❑statistics
❑Mathematical Induction
❑mathematical reasoning
❑Binomial Theorem
❑Calculus
❑Three Dimensional Geometry
❑Conic Sections
❑Straight Lines
❑Sequence and Series
❑Linear Inequalities
❑Complex numbers and Quadratic equations
❑Relations and functions
❑Trigonometric function
❑Probability

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Class 11 Maths Study Material

Probability

Two coins are tossed. What is the probability of getting 2 heads or 2 tails?

Correct Answer Is : 1/2

Solution Is :

A fair dice is tossed. If the number is even, then the probability that it is prime is

Correct Answer Is : 1/3

Solution Is :

Two coins are tossed once find probability of i)tail appears on one coin; ii)no head appears

Correct Answer Is : 1/2;1/4

Solution Is :

Mother ,father and son line up at random for family picture, what is the probability of son is on one end?

Correct Answer Is : 2/3

Solution Is :

If P(E)=0.6 , P(F)=0.3 , P(E∩F)=0.2 ; then find P(E|F)

Correct Answer Is : 2/3

Solution Is :

If P(E)=0.8 , P(F)=0.5 , P(F|E)=0.4 ; then find P(E∩F)

Correct Answer Is : 0.32

Solution Is :

A die is rolled, Consider events E{1,3,5},F{2,3} find P(E∩F)

Correct Answer Is : 1/6

Solution Is :

If P(A)=1/2 , P(B)=1/3; find P(A∩B) if A & B are independent events

Correct Answer Is : 1/6

Solution Is :

Two balls are drawn at random with replacement of box containing 10 black & 8 red balls find the probability that both balls are red

Correct Answer Is : 16/81

Solution Is :

Two balls are drawn at random with replacement of box containing 10 black & 8 red balls find the probability that 1st ball is black & 2nd is red

Correct Answer Is : 20/81

Solution Is :

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Two coins are tossed once find probability of
i)tail appears on one coin;
ii)no head appears