# NCERT Class 12-Mathematics: Chapter – 9 Differential Equations Part 15 (For CBSE, ICSE, IAS, NET, NRA 2023)

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**Question 59**:

The differential equation for which is a solution, is:

(A)

(B)

(C)

(D)

**Answer: (A)**

**Question 60**:

Family of curves will correspond to a differential equation of order

(A)

(B)

(C)

(D) Not defined

**Answer: (C)**

**Question 61**:

The general solution of

(A)

(B)

(C)

(D)

**Answer: (C)**

**Question 62**:

The curve for which the slope of the tangent at any point is equal to the ratio of the abscissa to the ordinate of the point is:

(A) An ellipse

(B) Parabola

(C) Circle

(D) Rectangular hyperbola

**Answer: (D)**

**Question 63**:

The general solution of the differential equation is:

(A)

(B)

(C)

(D)

**Answer: (C)**

**Question 64**:

The solution of the equation is:

(A)

(B)

(C)

(D)

**Answer: (C)**

**Question 65**:

The differential equation for which is a solution, is:

(A)

(B)

(C)

(D)

**Answer: (A)**

**Question 66**:

The solution of is:

(A)

(B)

(C)

(D)

**Answer: (D)**

**Question 67**:

The order and degree of the differential equation are

(A)

(B)

(C)

(D)

**Answer: (D)**