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

Expert Teacher provides Probability 12 Science Maths CBSE Solutions for MCQ through Video Solutions in English language. 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:**

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

You can select video Solutions from other languages also. Please check Solutions in ( Hindi )

**Question 1** : If the mean and variance of a Binomial distribution are 9 and 6 respectively, find the number of trails. (View Answer Video)

**Question 2** : A speaks truth in 60% of the cases, while B in 90% of cases. In what percent of cases are they likely to contradict each other in stating the same fact? In the cases of contradiction do you think, the statement B will carry more weight as he speaks truth in more number of cases than A? (View Answer Video)

**Question 3** : P speaks truth in 70% of the cases and Q in 80% of the cases. In what percent of cases are they likely to agree in stating the same fact? (View Answer Video)

**Question 4** : If P(A)=, P(B)= and =, find . (View Answer Video)

**Question 5** : A and B throw a pair of dice alternatively, till one of them gets a total of 10 and wins the game. Find their respective probabilities of winning, if A starts first. (View Answer Video)

**Question 1** :

Find the area of the given curves and given lines:

and x-axis

**Question 2** : Find the area of the circle which is interior to the parabola (View Answer Video)

**Question 3** : Area lying in the first quadrant and bounded by the circle and the lines x =0 and x = 2 is (View Answer Video)

**Question 4** : Using integration, find the area of the co-ordinates whose vertices are P(2,0), Q(4, 5) and R(6,3). (View Answer Video)

**Question 5** : Find the area of the region lying in the first quadrant and bounded by and y = 4. (View Answer Video)

**Question 1** : Find the unit vector in the direction of if and (View Answer Video)

**Question 2** : Find the unit vector in the direction of vector PQ, where P and Q are the points (1, 2, 3) and (4, 5, 6) respectively. (View Answer Video)

**Question 3** : Find the scalar components of the vector with initial point A (2, 1) and terminal point B (-5, 7). (View Answer Video)

**Question 4** : Find a vector in the direction of vector which has magnitude 8 unit. (View Answer Video)

**Question 5** : Find the scalar quantities from the following:

(i) 10 kg (ii) 2 m north-west (iii)

(iv) 40 W (v) (vi) (View Answer Video)

**Question 1** : Compute: . (View Answer Video)

**Question 2** : If a matrix has 24 elements, what are the possible orders it can have? (View Answer Video)

**Question 3** : Find the value of x from the equation: . (View Answer Video)

**Question 4** : Find the value of x, from the equation: . (View Answer Video)

**Question 5** : Compute: . (View Answer Video)