Rate of Change MCQs Board Exam Practice
Rate of Change MCQs – Board Exam Practice
Class: CBSE Class 12 Mathematics
Subject: Mathematics
Section: Applications of Derivatives
Topic: Rate of Change
Board: CBSE Board Examinations
Subject: Mathematics
Section: Applications of Derivatives
Topic: Rate of Change
Board: CBSE Board Examinations
Instructions: These Multiple Choice Questions (MCQs) are designed strictly as per the NCERT syllabus, making them ideal for CBSE Class 12 Board Examination standard practice.
Q1. Rate of change is measured using:
Answer: B
Explanation: Derivative gives instantaneous rate.
Explanation: Derivative gives instantaneous rate.
Q2. Instantaneous rate means:
Answer: A
Explanation: Exact moment rate.
Explanation: Exact moment rate.
Q3. Average rate formula:
Answer: A
Explanation: Change over interval.
Explanation: Change over interval.
Q4. Instantaneous rate equals:
Answer: A
Explanation: Limit definition of derivative.
Explanation: Limit definition of derivative.
Q5. Velocity is rate of change of:
Answer: A
Explanation: dx/dt.
Explanation: dx/dt.
Q6. Acceleration is derivative of:
Answer: A
Explanation: dv/dt.
Explanation: dv/dt.
Q7. Related rates problems involve:
Answer: A
Explanation: Variables changing together.
Explanation: Variables changing together.
Q8. dy/dx represents:
Answer: A
Explanation: Fundamental definition.
Explanation: Fundamental definition.
Q9. If distance constant, velocity:
Answer: A
Explanation: No change.
Explanation: No change.
Q10. Rate problems belong to:
Answer: A
Explanation: Core application area.
Explanation: Core application area.
Q11. Speed is magnitude of:
Answer: A
Explanation: Scalar velocity.
Explanation: Scalar velocity.
Q12. Area rate problems use:
Answer: A
Explanation: Related rates.
Explanation: Related rates.
Q13. Volume change rate uses:
Answer: A
Explanation: dV/dt problems.
Explanation: dV/dt problems.
Q14. If dy/dx positive, y:
Answer: A
Explanation: Positive rate.
Explanation: Positive rate.
Q15. If dy/dx negative, y:
Answer: B
Explanation: Negative rate.
Explanation: Negative rate.
Q16. Related rates connect variables via:
Answer: A
Explanation: Functional relation.
Explanation: Functional relation.
Q17. Instantaneous velocity is:
Answer: A
Explanation: Derivative definition.
Explanation: Derivative definition.
Q18. Rate of change studied in:
Answer: A
Explanation: Practical derivative use.
Explanation: Practical derivative use.
Q19. If radius increases, area rate:
Answer: A
Explanation: dA/dt positive.
Explanation: dA/dt positive.
Q20. Rate problems apply to:
Answer: A
Explanation: Motion & growth problems.
Explanation: Motion & growth problems.