# NCERT Class 12-Mathematics: Chapter – 9 Differential Equations Part 16 (For CBSE, ICSE, IAS, NET, NRA 2022)

Get unlimited access to the best preparation resource for CBSE/Class-12 : get questions, notes, tests, video lectures and more- for all subjects of CBSE/Class-12.

**Question 68**:

The order and degree of the differential equation are

(A)

(B)

(C)

(D)

**Answer: (C)**

**Question 69**:

The differential equation of the family of curves is:

(A)

(B)

(C)

(D)

**Answer: (C)**

**Question 70**:

Which of the following is the general solution of

(A)

(B)

(C)

(D)

**Answer: (A)**

**Question 71**:

General solution of is:

(A)

(B)

(C)

(D)

**Answer: (A)**

**Question 72**:

Solution of the differential equation is

(A)

(B)

(C)

(D)

**Answer: (A)**

**Question 73**:

The general solution of the differential equation is:

(A)

(B)

(C)

(D)

**Answer: (C)**

**Question 74**:

The solution of the differential equation is:

(A)

(B)

(C)

(D)

**Answer: (B)**

**Question 75**:

The solution of the differential equation is:

(A)

(B)

(C)

(D)

**Answer: (A)**