# 283 Questions on IFS (Forests Services) Mathematics (Mains) with Detailed Explanations and Solutions

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We have a total of **283** Questions available on IFS (Forests Services) Mathematics (Mains). You can choose a topic or subtopic below or **view all Questions**. Numbers in brackets indicate the number of Questions available on that topic.

## Ordinary Differential Equations (40)

- Equations of First Order and First Degree, Integrating Factor (15)
- Orthogonal Trajectory (4)
- Equations of First Order but Not of First Degree (1)
- Clairaut's Equation, Singular Solution (1)
- Second and Higher Order Linear Equations (3)
- Second Order Linear Equations with Variable Coefficients, Euler-Cauchy Equation (3)
- Method of Variation of Parameters (4)
- Laplace and Inverse Laplace Transforms and Their Properties (2)
- Laplace Transforms of Elementary Functions (5)
- 2nd Order Linear Equations with Constant Coefficients (2)