Permutation examples 2 with tricks

Permutation shortcut tricks are very important thing to know for your exams. Competitive exams are all about time. If you know how to manage time then you will surely do great in your exam. Most of us skip that part. Few examples on permutation shortcuts is given in this page below. All tricks on permutation are provided here. We request all visitors to read all examples carefully. These examples here will help you to better understand shortcut tricks on permutation.

First of all do a practice set on math of any exam. Choose any twenty math problems and write it down on a page. Do first ten maths using basic formula of this math topic. You also need to keep track of timing. Write down the time taken by you to solve those questions. Now practice our shortcut tricks on permutation and read examples carefully. After finishing this do remaining questions using Permutation shortcut tricks. Again keep track of Timing. This time you will surely see improvement in your timing. But this is not enough. You need to practice more to improve your timing more.

You all know that math portion is very much important in competitive exams. That doesn’t mean that other topics are less important. You can get a good score only if you get a good score in math section. A good score comes with practice and practice. You should do your math problems within time with correctness, and this can be achieved only by using shortcut tricks. Again it does not mean that you can’t do maths without using shortcut tricks. You may do math problems within time without using any shortcut tricks. You may have that potential. But so many people can’t do this. Here we prepared permutation shortcut tricks for those people. We always try to put all shortcut methods of the given topic. But it possible we miss any. We appreciate if you share that with us. Your help will help others.

We learn what is permutation ? so now we need more knowledge on this using more practice examples 2 of permutation with tricks which help in exams fast and efficiently,Again we talk about permutation that permutation is a various or several given arrangement of numbers or several things where we taking some or all at a time.Here is some examples are given below,

 

 

Example 1:
The letter of the word “SHORTCUT” in how many several way you can be arranged ?
Answer :
We can arrange it 8! = ( 8×7×6×5×4×3×2×1 ) = 40320 ways.

 

 

Example  2:
In how many several way the word “KOLKATA” can be prepared so that as vowel always come together ?
Answer:
First of all we need to know how many vowel in this given word,
here is three vowel that is O and A, A.
then we count the consonant that is four.
Now we count the number of vowel as a single unit that is vowel O A,
A count as single unit and add it with consonant so we have a four unit.
( 4 consonant + three vowel as single unit ) = 5 x 3 ( three vowel) and A repeat two times.
5! x 3! / 2! = 1 x 2 x 3 x 4 x 5 x 1 x 2 x 3  / 2 x 1= 360 ways we prepared the word.

 

 

Example 3:
The letter of the word “PLAY” in how many several way you can be arranged ?
Answer :
We can arrange it 4! = ( 4×3×2×1 ) = 24 ways.

 

 

Example 4:
In how many several way the word “HOUSE” can be prepared so that as vowel always come together?
Answer :
First of all we need to know how many vowel in this given word,
here is three vowel that is E ,O and U.
then we count the consonant that is Two.
Now we count the number of vowel as a single unit that is vowel E,
O and U count as single unit and add it with consonant so we have a  three unit.
(2 consonant + three vowel as single unit ) = 3 x 3 ( three vowel).
3! x 3! = 1 x 2 x 3 x 1 x 2 x 3 = 36 ways we prepared the word.

 

 

Example 5:
The letter of the word “INDIA” in how many several way you can be arranged ?
Answer :
We can arrange it 5! = ( 5×4×3×2×1 ) = 120 ways.

 

 

 

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6 comments

  1. kalpana pant says:

    Sir ! plz explain example 1 in dis ex SHORTCUT, T repetition is two times.and why r u not divided by 2p2 … Just like as previous question ..

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