MCQ in English Application of Derivatives Answers for CBSE Maths 12 Science to enable students to get Answers in a narrative video format for the specific question.

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**Question 1** : The normal to the curve passing (1, 2) is : (View Answer Video)

**Question 2** : The normal to the curve passing (1, 2) is: (View Answer Video)

**Question 3** : The rate of change of the area of a circle with respect to its radius r at r = 6 cm is : (View Answer Video)

**Question 4** : A balloon, which always remains spherical on inflation, is being inflated by pumping in 900 cubic centimetres of gas per second. Find the rate at which the radius of the balloon increases when the radius is 15 cm. (View Answer Video)

**Question 5** : Find the equation of the normal to a curve which passes through the point (1,2). (View Answer Video)

**Question 1** : 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 2** : A bag contains 4 green and 6 white balls. Two balls are drawn one by one without replacement. If the second ball drawn is white, what is the probability that the first ball drawn is also white? (View Answer Video)

**Question 3** : If P(A)=0.8, P(B)=0.5 and =0.4, find . (View Answer Video)

**Question 4** : A die is thrown 6 times. If 'getting an odd number' is a 'success', what is the probability of obtaining:

atmost 5 successes? (View Answer Video)

**Question 5** : In a game, a man wins rupee five for number six and losses rupee one for any other number, when a fair die is thrown. The man decided to throw a die thrice but to quit as and when he gets a six. Find the expected value of the amount he wins/losses. (View Answer Video)

**Question 1** : Form the differential equation of the family of circles touching the x-axis at origin . (View Answer Video)

**Question 2** : Find the general solution of the following differential equation :

(View Answer Video)

**Question 3** : Determine degree of (View Answer Video)

**Question 4** : Solve the differential equation given that y = 1 when x = 1. (View Answer Video)

**Question 5** : Find the particular solution of the differential equation given that y = 1, when x = 0. (View Answer Video)

**Question 1** : Let Find A + B. (View Answer Video)

**Question 2** : Find the value of y from the equation: . (View Answer Video)

**Question 3** : Find the transpose of the matrix: . (View Answer Video)

**Question 4** : Find the transpose of the matrix: . (View Answer Video)

**Question 5** : If , then find "a". (View Answer Video)