Most Important Quadratic Equation Questions for OICL AO, Get Free PDF

The Quadratic Equation is a high-scoring topic in the Reasoning Ability section of the OICL AO exam. Questions are usually straightforward and can be solved quickly if you follow the standard approach. Quadratic Equation questions are an important part of the Quantitative Aptitude section in the OICL AO examination. These questions are generally easy to moderate in difficulty and offer a great opportunity for aspirants to score quickly if the concepts are clear and well-practised. With the right strategy, quadratic equations can become one of the most scoring topics in the exam.

In this blog, we will discuss what quadratic equations are, the types of questions asked in OICL AO, solving methods, common mistakes, preparation strategy, and the importance of practising from a free PDF.

In this section, we are providing a free PDF of the Quadratic Equation Questions for the OICL AO Exam. The PDF is curated by our experts after analysing trends from previous years. 

What is a Quadratic Equation?

A quadratic equation is an equation of the form
ax² + bx + c = 0, where a ≠ 0.
In the exam, you are generally asked to compare the roots of two quadratic equations and mark the correct relation.

Question Pattern in OICL AO

• Two quadratic equations are given (Column I and Column II)
• You solve both equations
• Compare the roots and choose the correct option
• Usually, 4–5 questions are asked

Standard Options Asked

• Root of I > Root of II
• Root of I < Root of II
• Root of I = Root of II
• No relation / Cannot be determined

How to Solve Quadratic Equation Questions

• Factorise the equation whenever possible
• If factorisation is difficult, use the quadratic formula
• Find both roots carefully
• Compare the larger roots first, then the smaller ones if required

Example

Equation I: x² − 7x + 10 = 0
⇒ (x − 5)(x − 2) = 0
Roots are 5 and 2

Equation II: x² − 9x + 18 = 0
⇒ (x − 6)(x − 3) = 0
Roots are 6 and 3

Comparison
• Larger root of I (5) < Larger root of II (6)
Correct answer: Root of I < Root of II

Preparation Strategy for OICL AO

• Revise basic factorisation formulas regularly
• Practise 15–20 quadratic equations daily
• Focus on calculation accuracy
• Avoid using lengthy methods when factorisation is possible
• Analyse mock tests to avoid sign and comparison errors

Common Mistakes to Avoid

• Ignoring the negative sign while comparing roots
• Comparing smaller roots instead of larger ones
• Calculation errors due to haste
• Leaving questions unsolved despite being easy

Final Words

Quadratic Equation questions are one of the most scoring and reliable topics in the OICL AO Quantitative Aptitude section. With clear concepts, regular practice, and the right solving approach, you can easily maximise your score from this topic.

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