Maths Probability CBSE 12 Science MCQ in English Solutions to enable students to get Solutions in a
narrative video format for the specific question.

Expert Teacher provides Maths Probability CBSE 12 Science MCQ English Solutions. This video solution will be useful for students to understand how to write an answer
in exam in order to score more marks. This teacher uses a narrative style for a question from Probability not only to explain the proper method of answering question, but deriving right answer too.

Please find the question below and view the Solution in a narrative video format.

** Question:**

** A die is rolled. If E= (1, 3, 5), F(2, 3) and G= {2, 3, 4, 5}, find . **

** Solution Video in** **English****:**

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## Similar Questions from CBSE, 12th Science, Maths, Probability

**Question 1** : There are three coins. One is a two-headed coin (having head on both faces), another is a biased coin that comes up heads 75% of the times and third is also a biased coin that comes up tails 40% of the times. One of the three coins is chosen at random and tossed, and it shows heads. What is the probability that it was the two-headed coin?

**Question 2** : If E and F are independent events, then show that and

**Question 3** : Assume that the chances of a patient having a heart attack are 40%. Assume that a meditation and yoga course reduces the risk of heart attack by 30% and the prescription of certain drugs and certain restrictions reduces the risk by 25%. At a time, a patient choses only one of the two options with equal probabilities. After going through one of the two options, the patient is selected at random who is suffering from a heart attack. Find the probability that the patient followed a course of meditation and yoga. Write the value referred here.

**Question 4** : If each element of a second-order determinant is either zero or one, what is the probability that the value of the determinant is positive?

**Question 5** : A pair of dice is thrown 4 times. If getting a doublet is considered a success, find the probability distribution of the number of successes and hence find its mean.

### Questions from Other Chapters of CBSE, 12th Science, Maths

### Determinant

**Question 1** : Which of the following is correct?

**Question 2** : If find |A|.

**Question 3** : If A =, find | A |.

**Question 4** : Find the area of the triangle with vertices at the points (2, 7), (1, 1), (10, 8).

**Question 5** : Evaluate the determinant: .

### Vector Algebra

**Question 1** : Find the area of the triangle with vertices A(1, 1, 2), B(2, 3, 5) and C(1, 5, 5).

**Question 2** : Find a unit vector parallel to the sum of vectors and

**Question 3** : Write a vector in the direction of the vector that has magnitude 9 units.

**Question 4** : Write the position vector of the point which divides the join of points with position vectors and in the ratio 2:1.

**Question 5** : For given vectors,and find the unit vector in the direction of the vector a + b.

### Relations and Functions

**Question 1** : Number of binary sets on the set is,

**Question 2** : If f is the greatest integer function and g is the modulus function . Write the value of g o f(-1/3) – f o g ( -1/3 ) .

**Question 3** : The function, f(x) = 2x + 1 is,

**Question 4** : Let defined as f(x) = x be an identity function. Then,

**Question 5** : Functions are defined respectively, by , find .