All Exams: Simplification & Approximation — Concept Guide + 10 MCQs

This guide covers the complete concept of Simplification & Approximation as tested in All Exams 2026, followed by 10 practice MCQs with detailed explanations.

Simplification & Approximation — Key Concepts

Understanding Simplification & Approximation is essential for scoring well in the Quantitative Aptitude section of All Exams. This topic appears frequently across all major competitive exams.

Core Concepts

  • Master the fundamental definitions and rules of Simplification & Approximation
  • Practice identifying patterns and applying shortcuts
  • Study examples from previous year All Exams papers
  • Time yourself — aim to solve each question in under 1.5 minutes

Shortcut Box

ConceptShortcut / Rule
Basic approachRead the question carefully and identify the type first
Time managementSpend no more than 90 seconds per question
EliminationEliminate obviously wrong options to improve guessing odds

Practice MCQs — Simplification & Approximation

Attempt these questions after reading the concept above. Suggested time: 15 minutes.

Q1. A train travels 360 km in 4 hours. What is its speed in km/h?

  • A. 80
  • B. 90
  • C. 72
  • D. 100
Explanation: Speed = Distance/Time = 360/4 = 90 km/h.

Q2. Simple interest on ₹2000 at 5% per annum for 3 years is:

  • A. ₹300
  • B. ₹200
  • C. ₹350
  • D. ₹400
Explanation: SI = PRT/100 = 2000×5×3/100 = ₹300.

Q3. A train travels 360 km in 4 hours. What is its speed in km/h?

  • A. 80
  • B. 90
  • C. 72
  • D. 100
Explanation: Speed = Distance/Time = 360/4 = 90 km/h.

Q4. Simple interest on ₹2000 at 5% per annum for 3 years is:

  • A. ₹300
  • B. ₹200
  • C. ₹350
  • D. ₹400
Explanation: SI = PRT/100 = 2000×5×3/100 = ₹300.

Q5. A train travels 360 km in 4 hours. What is its speed in km/h?

  • A. 80
  • B. 90
  • C. 72
  • D. 100
Explanation: Speed = Distance/Time = 360/4 = 90 km/h.

Q6. Simple interest on ₹2000 at 5% per annum for 3 years is:

  • A. ₹300
  • B. ₹200
  • C. ₹350
  • D. ₹400
Explanation: SI = PRT/100 = 2000×5×3/100 = ₹300.

Q7. A train travels 360 km in 4 hours. What is its speed in km/h?

  • A. 80
  • B. 90
  • C. 72
  • D. 100
Explanation: Speed = Distance/Time = 360/4 = 90 km/h.

Q8. Simple interest on ₹2000 at 5% per annum for 3 years is:

  • A. ₹300
  • B. ₹200
  • C. ₹350
  • D. ₹400
Explanation: SI = PRT/100 = 2000×5×3/100 = ₹300.

Q9. A train travels 360 km in 4 hours. What is its speed in km/h?

  • A. 80
  • B. 90
  • C. 72
  • D. 100
Explanation: Speed = Distance/Time = 360/4 = 90 km/h.

Q10. Simple interest on ₹2000 at 5% per annum for 3 years is:

  • A. ₹300
  • B. ₹200
  • C. ₹350
  • D. ₹400
Explanation: SI = PRT/100 = 2000×5×3/100 = ₹300.