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

Expert Teacher provides MCQ Solutions for CBSE 12 Science Maths Application of Derivatives through Video Solutions in
Hindi 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 Application of Derivatives 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:**

** The rate of change of the area of a circle with respect to its radius r at r=6cm is: **

** Solution Video in** **Hindi****:**

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## Similar Questions from CBSE, 12th Science, Maths, Application of Derivatives

**Question 1** : For all values of x, the minimum value of is :

**Question 2** : The slope of the tangent to the curve at the point (2,-1) is _______________.

**Question 3** : If , then the approximate value of f (3.02) is

**Question 4** : The normal at the point (1, 1) on the curve is;

**Question 5** : Sand is pouring from a pipe at the rate of . The falling sand forms a cone on the ground in such a way that the height of the cone is always one-sixth of the radius of the base. How fast is the height of the sand cone increasing, when the height is 4 cm?

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

### Vector Algebra

**Question 1** : Find a vector in the direction of vector which has magnitude 21 units.

**Question 2** : Find a vector in the direction of that has magnitude 7 units.

**Question 3** : Find a unit vector in the direction of

**Question 4** : Find the value of if the points with position vectors and are coplanar.

**Question 5** : Write a unit vector in the direction of the sum of vectors and

### Matrices

**Question 1** : If, find the value of y.

### Probability

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

**Question 2** : If P(A)=0.8, P(B)=0.5 and =0.4, find .

**Question 3** : Compute P(A/B) if P(B) =0.5 and P(AB)=0.32.