What is the trick for division?
More Divide by Number Tricks Divide by 2 – If the last digit in the number is even, then the entire number is divisible by 2. Remember that divide by 2 is the same as cutting something in half. Divide by 4 – If the last two digits divide by 4, then the entire number is divisible by 4.
What type of maths is used in competitive exams?
Here is a recap of the topics which are commonly found in the quantitative aptitude section of Maths for Competitive Exams:
- Percentage.
- Decimals.
- Factors and Multiples.
- Ratios.
- Geometry.
- Integers.
- Number System.
- Simplification.
Can you divide 7?
The divisibility rule of 7 states that for a number to be divisible by 7, the last digit of the given number should be multiplied by 2 and then subtracted with the rest of the number leaving the last digit. If the difference is 0 or a multiple of 7, then it is divisible by 7.
How do you divide by 7 easily?
Dividing by 7
- Take the last digit in a number.
- Double and subtract the last digit in your number from the rest of the digits.
- Repeat the process for larger numbers.
- Example: Take 357. Double the 7 to get 14. Subtract 14 from 35 to get 21, which is divisible by 7, and we can now say that 357 is divisible by 7.
What is short division method?
In arithmetic, short division is a division algorithm which breaks down a division problem into a series of easier steps. It is an abbreviated form of long division — whereby the products are omitted and the partial remainders are notated as superscripts.
How can I master math in competitive exam?
10 Basic Tips to excel in the Quantitative Section in Competitive Exams
- Start with the Easy Ones: Don’t go beyond your capability.
- Take one step at a time: Do not try to learn everything in one day.
- Study Maths from a trusted source: Searching the term Profit and loss or shortcuts for Averages on Google is not good.
What is the trick to learning competitive maths?
In this article, we have given the 10 maths tricks that will make the quantitative aptitude section less of a stress and easier to solve….10 Simple Maths Tricks & Shortcuts
- Square Root.
- Cube Root.
- Quadratic Equations.
- Number Series.
- Compound Interest.
- Simple Interest.
- Time & Work.
- Approximation.