Shortcut Tricks are very important things in competitive exam. Time is the main factor in competitive exams. If you know how to manage time then you will surely do great in your exam. Most of us miss that part. Here in this page we give few examples on Divisibility of a number by 9 shortcut tricks. We try to provide all types of shortcut tricks on divisibility of a number by 9 here. We request all visitors to read all examples carefully. These examples will help you to understand shortcut tricks on Divisibility of a number by 9.
When all digits sum of a number if divisible by 9 then only the number is divisible by 9.
Before starting anything just do a math practice set. Write down twenty math problems related to this topic on a page. Solve first ten math problems according to basic math formula. You also need to keep track of Timing. After solving all ten math questions write down total time taken by you to solve those questions. Now practice our shortcut tricks on divisibility of a number by 9 and read examples carefully. After doing this go back to the remaining ten questions and solve those using shortcut methods. Again keep track of Timing. You will surely see the improvement in your timing this time. But this is not all you want. You need more practice to improve your timing more.
We all know that the most important thing in competitive exams is Mathematics. It doesn’t mean that other topics are not so important. But if you need a good score in exam then you have to score good in maths. A good score comes with practice and practice. The only thing you need to do is to do your math problems correctly and within time, and only shortcut tricks can give you that success. But it doesn’t mean that without using shortcut tricks you can’t do any math problems. You may have that potential that you may do maths within time without using any shortcut tricks. But so many other people may not do the same. So Divisibility of a number by 9 shortcut tricks here for those people. We always try to put all shortcut methods of the given topic. But we may miss few of them. If you know anything else rather than this please do share with us. Your little help will help others.
We are try to calculate divisibility of a number by 9 or any number using divisor 9, but if any large numbers is given we are not able to perform fast, and using some rule and shortcut tricks we are calculate the divisibility of a numbers by 9.
Divisibility of a number by 9 shortcut tricks
When all digits sum of a number if divisible by 9 then only the number is divisible by 9.
Example 1: 89874: ( 8 + 9 + 8 + 7 + 4 ) = 36 that is divisible by 9 so the number 89874 / 9 = 9986.
Example 2: 9981: ( 9 + 9 + 8 + 1 ) = 27 that is divisible by 9 so the number 9981 / 9 = 1109.
Example 3: 499869: ( 4+ 9 + 9 + 8 + 6 + 9 ) = 45 that is divisible by 9 so the number 499869 / 9 = 55541.
Example 4: 9522: ( 9 + 5 + 2 + 2 ) = 18 that is divisible by 9 so the number 9522 / 9 = 1058.
Example 5: 778965939: ( 7 + 7 + 8 + 9 + 6 + 5 + 9 + 3 + 9 ) = 63 that is divisible by 9 so the number 778965939 / 9 = 86551771.
Example 6: 999988875: ( 9 + 9 + 9 + 9 + 8 + 8 + 8 + 7 + 5 ) = 72 that is divisible by 9 so the number 999988875 / 9 = 111109875.
Example 7: 99999888876: ( 9 + 5 + 2 + 2 ) = 90 that is divisible by 9 so the number 99999888876 / 9 = 11111098764.
Example 8: 33778899999: ( 3 + 3 + 7 + 7 + 8 +8 +9 + 9 +9 + 9 ) = 81 that is divisible by 9 so the number 33778899999 / 9 = 3753211111.
Example 9: 73895896989: ( 7+ 3 + 8 + 9 + 5 + 8 + 9 + 6 + 9 + 8 + 9 ) = 81 that is divisible by 9 so the number 73895896989 / 9 = 8210655221.
Example 10: 77896593: ( 7 + 7 + 8 +9 + 6 + 5 + 9 + 3 ) = 54 that is divisible by 9 so the number 77896593 / 9 = 8655177.
Note: So Before going to divisible by 9 any number, first check the condition of All digit sum is divisible by 9. Than numbers is divisible by 9.
Few Examples of Divisibility with shortcut tricks
Few Examples of Divisibility with shortcut tricks
No comments:
Post a Comment