Solutions for MCQ CBSE 12 Science Maths Vector Algebra in English to enable students to get Solutions in a narrative video format for the specific question.
Expert Teacher provides Solutions for MCQ CBSE 12 Science Maths Vector Algebra 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:
Solution Video in English:
You can select video Solutions from other languages also. Please check Solutions in ( Hindi )
Question 1 : Write a unit vector in the direction of the sum of vectors : and (View Answer Video)
Question 2 : Find the projection of the vector on the vector (View Answer Video)
Question 3 : Find the magnitude of two vectors a and b having the same magnitude and such that the angle between them is and their scalar product is 1/2. (View Answer Video)
Question 4 : Find the direction cosines of the vector joining the points A(1, 2, -3) and B(-1, -2, 1), directed from A to B. (View Answer Video)
Question 5 : If and are two equal vectors, then write the value of (View Answer Video)
Question 1 : Evaluate : (View Answer Video)
Question 2 : Evaluate : . (View Answer Video)
Question 3 : Show that : (View Answer Video)
Question 4 : Find : (View Answer Video)
Question 5 : Evaluate: as limit of sums. (View Answer Video)
Question 1 : A bag contain 2 red, 6 black and 8 green balls. A ball is drawn at random from the bag. Find the probability of black balls:
(View Answer Video)
Question 2 : Four cards are drawn successively with replacement from a well shuffled deck of 52 cards. What is the probability that:
All the four cards are spades?
(View Answer Video)
Question 3 : 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 4 : Three cards are drawn without replacement from a pack of 52 cards. Find the probability that the cards drawn are king, queen and jack.
(View Answer Video)
Question 5 : An urn contains 4 balls. Two balls are drawn at random from the urn (without replacement) and are found to be white. What is the probability that all the four balls in the urn are white? (View Answer Video)
Question 1 : Solve for
(View Answer Video)
Question 2 : Solve for
(View Answer Video)
Question 3 : Evaluate :
(View Answer Video)
Question 4 : is equal to :
(View Answer Video)
Question 5 : Solve for
(View Answer Video)