Published on May 26, 2026
10 Numerical Ability Hacks to Save Time
The Numerical Ability section is often the most feared part of the CSE. However, the secret isn't being a math genius—it's knowing the shortcuts.
1. Memorize Basic Fractions to Decimals
Knowing that 1/8 is 0.125 or 3/4 is 0.75 instantly saves you from doing long division on paper.
2. Elimination is Your Best Friend
Before solving a complex algebra problem, look at the multiple-choice options. Often, two or three answers are completely illogical based on estimating.
3. Master the Rule of 72
For questions involving compound interest, divide 72 by the interest rate to quickly estimate how many years it takes for money to double.