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

Expert Teacher provides Maths 12 Science CBSE Vector Algebra 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 Vector Algebra 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:**

** Find the angle between the vectors and **

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

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

**Question 1** : Find a vector in the direction of that has magnitude 7 units. (View Answer Video)

**Question 2** : Find the vector quantities from the following:

(i) Time period (ii) Distance (iii) Force

(iv) Velocity (v) Work done

(View Answer Video)

**Question 3** : Find a unit vector parallel to the sum of vectors and (View Answer Video)

**Question 4** : Find a vector in the direction of vector which has magnitude 21 units. (View Answer Video)

**Question 5** : Find if the vectors and are coplanar. (View Answer Video)

**Question 1** : Evaluate : (View Answer Video)

**Question 2** : Evaluate : (View Answer Video)

**Question 3** : Evaluate : (View Answer Video)

**Question 4** : Evaluate : (View Answer Video)

**Question 5** : Evaluate : (View Answer Video)

**Question 1** : Find the co-ordinates of the point where the line through the points (3, -4, -5) and (2, -3, 1) crosses the plane

2x + y + z = 7. (View Answer Video)

**Question 2** : If lines and intersect, then find the value of k and hence find the equation of plane containing these lines. (View Answer Video)

**Question 3** : If the lines and are perpendicular to each other, then find the value of P. (View Answer Video)

**Question 4** : Find the distance of the point from the plane 3x + y - z + 2+0 measured parallel to the line Also, find the foot of the perpendicular from the given point upon the given plane. (View Answer Video)

**Question 5** : Find the equation of the plane with intercept 3 on the y-axis and parallel to ZOX plane. (View Answer Video)

**Question 1** : If P(A)=, P(B)= and =, find . (View Answer Video)

**Question 2** : 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. (View Answer Video)

**Question 3** : A pair of dice is thrown 4 times. If getting a doublet is considered a success, find the probability distribution of number of successes. Hence, find the mean of the distribution. (View Answer Video)

**Question 4** : A bag X contains 4 white balls and 2 black balls, while another bag Y contains 3 white balls and 3 black balls. Two balls are drawn (without replacement) at random from one of the bags and were found to be one white and one black. Find the probability that the balls were drawn from bag Y. (View Answer Video)

**Question 5** : A coin is tossed three times. Find P(F/E), where E : at most two tails and F : atleast one tail. (View Answer Video)