Quantitative suitability plays a decisive role in almost all competition tests, including IPMAT. There are several learning techniques that will make this section easier.
If you are able to calculate the tasks in seconds using short tricks, then grading the exam is easy.
Sometimes knowing the tricks to solve multiplication and division can make a big difference in your results. There are several different techniques for solving multiplication and division, but it is important to learn the simplest one.
Worried about how to get calculations done in less time? Read through the post for a complete look at the IPMAT quick tricks for multiplication and division.
Short tricks to try multiplication division questions in IPMAT
Learning simple tricks will not help you manage your time on the final exam, it will also help you solve the questions accurately. You can increase your speed by more than 100% by learning a few simple tricks.
In addition, quantitative tricks differ in length depending on the mathematical operation and the numbers involved.
There are different tricks to solve multiplication and division questions in IPMAT 2021. Let’s learn that IPMAT math preparation tips and increase your computing speed.
How can you multiply any number by 5?
Without knowing the trick, many of you could be wasting your time multiplying a certain number by 5. In general, the 5 is expressed as 10 divided by 2, i.e. 10/2.
Whenever you convert 5 times 10/2, the calculation becomes easy.
If you want to multiply 72X5. Replace 5 with 10/2
Then it becomes 72X10 / 2
Divide the 72/2 which is half the number i.e. 36
Finally, multiply 36 by 10 (36X10). The final answer is 360
How do you multiply a number by 11?
If you know the quick trick of multiplying any number by 11, you can solve the problem in less than 5 seconds.
Suppose you want to multiply PX11
- The last digit of the answer is the last digit of P.
- The middle digit of the answer is the last digit of the sum of all digits of P
- The first digit of the answer is the first digit of P and the carryover (if any)
Multiply 58X11 using the trick above.
The last digit of the answer is the last digit of P. Here, P is 58 which means 8th is the last digit.
The middle digit of the answer is the last digit of the sum of all digits of P: 5 + 8 = 13 ie 3rd
The first digit of the answer is the first digit of P plus carry (if any): 5 + 1 =6th
Hence the final answer for 58X11 is 638
How can you multiply any number by 15?
Consider multiplying 56 by 15 using the following simple technique:
Add zero to the first number, that is, for 56. It becomes 560
Divide that number by 2. then we get 560/2 = 280
Add the resulting number to the resultant of the first number after adding zero, i.e. 280 + 560 = 840
Hence the final answer is 840
How do you multiply a number by 9?
Remember, multiplying any number by 9 is just multiplying by (10-1). You can follow the trick given below while multiplying any number by 9.
Multiply 68 by 9, which is 68X9. means
Consider multiplying 9 by (10-1) i.e. 68X (10-1)
It becomes 680-68 = 612
Here is the definitive answer 612
Important rules for solving division questions in IPMAT
1. If the last digit of a number is a 0 or an even number, that number can easily be divisible by 2.
For example: 560/2 = 280
2. If the sum of all numbers is divisible by 3, then the number is divisible by 3.
Look at 861 (8 + 6 + 1 = 15)
15 is divisible by 3. Therefore 861 is also divisible by 3
3. If the end of two digits of the number is divisible by 4 or the end of two digits is zero, the number is divisible by 4.
Consider 1600 divided by 4
The answer is 400
4. If the last digit of a number is 0 or 5, the number is divisible by 5.
For example: 225 divided by 5
The answer is 45
5. If the sum of all digits of a number is divisible by 9, the number is divisible by 9.
Think about whether 9522 is divisible by 9 or not.
9522 = 9 + 5 + 2 + 2 = 18
18 is divisible by 9. Therefore 9522 is also divisible by 9
6. If the number ends in zero, the number is through 10. divisible
4790/10 = 479
How do I divide a number by 5?
To divide a number by 5, replace 5 with 10/2
Let’s take 144/5, then 144 / (10/2)
Now it becomes 144X2 / 10 = 288/10
The final answer is 28.8
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