How to solve IPMAT 2021 - Quantitative Aptitude Question 24?

This question can be solved by applying the core concept explained in the solution above, followed by step-by-step calculation and elimination of options.

Which concept is tested in this question?

This question tests fundamental concepts commonly asked in IIM IPMAT exams.

All Courses » IIM IPMAT » IPMAT 2021 - Quantitative Aptitude » Question 24 Solution

IPMAT 2021 - Quantitative Aptitude Question 24

This is a detailed step-by-step solution for IPMAT 2021 - Quantitative Aptitude Question 24. Understand the concept, common mistakes, and expert tips to solve similar questions in IIM IPMAT exam.

IPMAT 2021 - Quantitative Aptitude

Joining any 2 points will give a line so selecting any 2 points from 12 points
= 10C₂
But line formed by joining 1 any two points from 5 co – linear points will result in single line
So we need to subtract 5C₂ from 10C₂ & add 1 for line resulted by joining any of co – linear point.
= 10C₂ – 5C₂ + 1
= (10 × 9)/2 – (5 × 4)/2 + 1
= 45 – 10 + 1
= 36

← Back to Questions Free Resources

Solved by Stalwart Experts

Our team of MBA educators with 10+ years experience provides accurate, verified solutions. Meet the Team

get_footer(); ?>