CBSE Maths 12 Science Vector Algebra MCQ Solutions in English

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

Expert Teacher provides CBSE Maths 12 Science Vector Algebra MCQ Solutions 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:

 P and Q are two points with position vectors Questionand Questionrespectively. Write the position vector of a point R which divides the line segment PQ externally in the ratio 2:1. 

Solution Video in English:

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

Similar Questions from CBSE, 12th Science, Maths, Vector Algebra

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

Relations and Functions

Question 1 :  Let R be the relation on the set {1, 2, 3, 4} given by R = {(1, 2), (2, 2), (1, 1), (4, 4), (1, 3), (3,3), (3,2)}. then R is, (View Answer Video)

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Inverse Trigonometric Functions

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Probability

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Question 3 : A girl throws a die. If she gets a 5 or 6, she tosses a coin three times and notes the number of heads. If she gets 1, 2, 3 or 4, she tosses a coin two times and notes the number of heads obtained. If she obtained exactly two heads, what is the probability that she threw 1, 2, 3, or 4 with the die?      (View Answer Video)

Question 4 : Of the students in a college, it is known that 60% reside in hostel and 40% are day scholars (not residing in hostel). Previous year results report that 30% of all students who reside in hostel attain  'A' grade and 20% of day scholars attain 'A' grade in their annual examination. At the end of the year, one student is chosen at random from the college and he has an 'A' grade. What is the probability that the student is a hosteler?   (View Answer Video)

Question 5 : 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)