Smart Math Tricks for Competitive Exams
Competitive exams like CUET, SSC, and Bank PO aren't just about knowing formulas. They are about speed. I teach simple shortcuts to help you solve calculation-heavy problems in seconds.
Here is a quick square trick for numbers like 11, 111, and 1111. I teach hundreds of such shortcuts for competitive exams like CUET, SSC, and Bank PO to help you solve problems faster and save crucial time.
Calculating the sum of cubes can be lengthy. In this video, I demonstrate a shortcut method to find the sum of consecutive cubes in seconds, a useful trick for quantitative aptitude sections.
Here is a simple trick to find the square of any number ending with 5. This is a classic time-saver for quick calculations during entrance exams.
A quick multiplication trick for two-digit doubles by a single digit. These small techniques add up to save you valuable minutes in your exam.
Multiplying a two-digit number by 999 seems hard, but it's not. Watch this video to learn a simple subtraction-based method to get the answer in under 10 seconds.
This is an addition trick for finding the sum of consecutive odd natural numbers. The formula is n-squared, and I explain how to apply it quickly.
Calculating percentages of round numbers can be done instantly. I show how to cancel the zeros with the percentage sign to get the answer in a flash.
Finding the LCM doesn't have to be a long process. I explain a secret trick to find the LCM of a set of numbers in just a few seconds by checking divisibility with the largest number.
This infographic explains a simple trick to multiply any two-digit number by 11. It's a fundamental shortcut that is very useful for improving calculation speed.
About Smart Math Tricks for Competitive Exams
When you are sitting in the exam hall, every second counts. Most students get stuck on basic multiplication or percentage calculations because they rely on long-form methods they learned in school. In my classes here at Janakpuri, I focus on replacing those time-consuming steps with proven hacks, like Vedic-style shortcuts for squares and quick ways to find LCM. You will practice these during our daily offline modules so they become muscle memory by the time you face the actual paper.
If you want to clear exams like SSC CGL or Bank PO, you cannot afford the luxury of lengthy calculations. My approach is simple, as I believe math is about logic, not just endless practice. We start by deconstructing problems until the underlying pattern becomes obvious.
At my Janakpuri center, we focus on:
- Speed Math Modules: These are specifically designed to reduce calculation time. Whether it is finding the square of a number ending in five or multiplying by 999, we use techniques that bypass the standard, slow methods.
- Logic over Rote: I do not believe in rattafication. We build calculation muscle memory through daily drills so that when you see a number series or a quantitative aptitude question, your brain automatically knows the shortcut.
- Exam Strategy: I also guide students on how to manage their time during the actual paper. Knowing the trick is only half the battle, as knowing when to use it and when to skip a tough question is the other half.
Whether you are preparing for the CUET entrance exam or trying to crack quantitative aptitude for banking, these techniques are essential. Come with your books and a ready mind, and we will get to work.
Ankur Ajmani
I am Ankur Ajmani, and I believe math shouldn't be the reason you lose sleep or miss out on a top college seat. I treat my classroom like a training ground where we cut through the confusion and focus on logic, not just memorizing steps. If you are struggling with a concept or just need a push to get disciplined, I am here to guide you.
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