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Permutations and combination

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permutations and combination 2019 questions

Aditya Saini 18th Dec, 2019

Hi t naresh


Permutation and Combination Practice Questions Part 1 Permutation of ‘x’ things using all of them

Directions: For the questions in the section you need to find the distinctive ways to find the answer.

1. Using all the letters of the word GIFT how many distinct words can

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Good evening sir, plz send me all formulas and tricks for permutations and combinations. I am weak in this topic.Plz help me sir.

NAVNEET PANDEY 7th Dec, 2019

Durgesh jangid

Hello,

If you are weak in permutation and combination please start practicing from NCERT book of 11th class,you will learn basic about the permutation and combination.

and then you can try books like RD sharma, where if you practice regularly with sincerity you will learn more advance permutation

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Distribute $1000 to 4 persons (in unit of $100) (a) no restriction (b) at least $100 for anyone (c) at least $100 for anyone, Sam has at least $500.

Atharva Yeolekar 30th Nov, 2019

There can be several solutions for this question,here is my take:

Consider A,B,C and Sam as the 4 people. Sam compulsorily gets 500$,then let A get 300$,B gets 100$ and C gets 100$. In this way all the necessary conditions are fulfilled. You can also have some other solution for

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number greater than 1000 but less than 4000 is formed using the digits 0, 2, 3, 4 repetition allowed is

ADITYA KUMAR Student Expert 26th Nov, 2019
Hello there!

Greetings!

The smallest number in the series is 1000 which is a a 4-digit number while the largest number in the series is 4000, the only 4-digit number to start with 4.
Now,the left most digit (thousands place) of each of the 4 digit numbers other than 4000
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