# **Chapter 10: Ordinary Differential Equations** - Online Test

**Answer : ****Option A**
**Explaination / Solution: **
**Q2.** The differential equation representing the
family of curves* y *= A cos(x + B),
where A and B are parameters, is

**Answer : ****Option B**
**Explaination / Solution: **
**Answer : ****Option C**
**Explaination / Solution: **
**Answer : ****Option B**
**Explaination / Solution: **
**Q5.** The differential equation of the family of
curves* y *= Ae^{x} + Be^{−x}* *, where A and B are arbitrary constants is

**Answer : ****Option B**
**Explaination / Solution: **
**Answer : ****Option C**
**Explaination / Solution: **
**Answer : ****Option C**
**Explaination / Solution: **
**Q8.** The
solution of* * is

**Answer : ****Option B**
**Explaination / Solution: **
**Answer : ****Option B**
**Explaination / Solution: **
**Answer : ****Option C**
**Explaination / Solution: **

**Total Question/Mark : **

Scored Mark :

Mark for Correct Answer : 1

Mark for Wrong Answer : -0.5

Mark for Left Answer : 0