# Fundamental Principle Of Counting Free Doubts and Solutions

### CBSE - XI Science - Mathematics - Permutations and Combinations

## Kindly answer this.

**Kchawla94**28th February 2019, 8:07 PM

### CBSE - XI Science - Mathematics - Permutations and Combinations

## number of ways of selecting pair of black squares in chessboard such that they have exactly one common corner is equal to ______________

**samyakagarwal7may**12th October 2018, 11:45 PM

### CBSE - XI Science - Mathematics - Permutations and Combinations

## The question is attached. Please send the step by step complete solution. I also request that please don't send any weblink to this question because I am unable to open thelink everytime.

**sudhanshubhushanroy**12th December 2017, 8:22 PM

### CBSE - XI Science - Mathematics - Permutations and Combinations

## The question is attached. Please send the step by step complete solution. I also request that please don't send any weblink to this question because I am unable to open thelink everytime.

**sudhanshubhushanroy**12th December 2017, 8:20 PM

### CBSE - XI Science - Mathematics - Permutations and Combinations

## The question is attached. Please send the step by step complete solution. I also request that please don't send any weblink to this question because I am unable to open thelink everytime.

**sudhanshubhushanroy**12th December 2017, 8:19 PM

### CBSE - XI Science - Mathematics - Permutations and Combinations

## The question is attached. Please send the step by step complete solution. I also request that please don't send any weblink to this question because I am unable to open thelink everytime.

**sudhanshubhushanroy**12th December 2017, 8:18 PM

### CBSE - XI Science - Mathematics - Permutations and Combinations

## question is attached. Please send step by step complete solution.

**sudhanshubhushanroy**10th December 2017, 4:09 AM

### CBSE - XI Science - Mathematics - Permutations and Combinations

## question is attached. Please send step by step complete solution.

**sudhanshubhushanroy**10th December 2017, 4:06 AM

### CBSE - XI Science - Mathematics - Permutations and Combinations

## question is attached. Please send step by step complete solution.

**sudhanshubhushanroy**10th December 2017, 4:05 AM

### CBSE - XI Science - Mathematics - Permutations and Combinations

## question is attached. Please send step by step complete solution.

**sudhanshubhushanroy**10th December 2017, 4:02 AM

### CBSE - XI Science - Mathematics - Permutations and Combinations

## question is attached. Please send step by step complete solution.

**sudhanshubhushanroy**10th December 2017, 4:00 AM

### CBSE - XI Science - Mathematics - Permutations and Combinations

## question is attached. Please send step by step complete solution.

**sudhanshubhushanroy**10th December 2017, 3:55 AM

### CBSE - XI Science - Mathematics - Permutations and Combinations

## question is attached. Please send step by step complete solution.

**sudhanshubhushanroy**10th December 2017, 3:54 AM

### CBSE - XI Science - Mathematics - Permutations and Combinations

## question is attached. Please send step by step complete solution.

**sudhanshubhushanroy**10th December 2017, 3:53 AM

### CBSE - XI Science - Mathematics - Permutations and Combinations

## I am solving but after few steps not able to move forward... can you help...

**nitishkrnehu09**9th December 2017, 1:09 PM

### CBSE - XI Science - Mathematics - Permutations and Combinations

## How many numbers are there between 100 and 1000 in which all the digits are distinct?

**Topperlearning User**12th September 2016, 11:52 PM

### CBSE - XI Science - Mathematics - Permutations and Combinations

## How many words (with or without meaning) of three distinct letters of the English alphabets are there?

**Topperlearning User**24th November 2015, 12:14 PM

### CBSE - XI Science - Mathematics - Permutations and Combinations

## There are three groups of men in a company having 4, 5 and 6 members respectively. Two men have to be selected from the same group as President and Vice-President of a committee to be formed. Find the number of ways in which such a selection can be made.

**Topperlearning User**13th November 2015, 5:08 PM

### CBSE - XI Science - Mathematics - Permutations and Combinations

## How many four digit numbers can be formed using the digits 0,1,2,3,4,5 if 1) repetition of digits is not allowed? 2) repetition of digits is allowed?

**Topperlearning User**4th June 2014, 1:23 PM

### CBSE - XI Science - Mathematics - Permutations and Combinations

## How many numbers are there between 100 and 1000 which have exactly one of their digits as 7?

**Topperlearning User**4th June 2014, 1:23 PM

### CBSE - XI Science - Mathematics - Permutations and Combinations

## In how many ways 5 rings of different types can be worn in 4 fingers?

**Topperlearning User**4th June 2014, 1:23 PM

### CBSE - XI Science - Mathematics - Permutations and Combinations

## A mint prepares metallic calendars specifying months, dates and days in the form of monthly sheets (one plate for each month). How many types of February calendars should he prepare to serve for all the possibilities in the future years?

**Topperlearning User**4th June 2014, 1:23 PM

### CBSE - XI Science - Mathematics - Permutations and Combinations

## How many three digit odd numbers can be formed by using the digits 1,2,3,4,5,6 If: 1) the repetition of digits is not allowed? 2) the repetition of digits is allowed?

**Topperlearning User**4th June 2014, 1:23 PM

### CBSE - XI Science - Mathematics - Permutations and Combinations

## A room has 5 doors. In how many ways can a man enter the room through one and come out through a different door?

**Topperlearning User**4th June 2014, 1:23 PM

### CBSE - XI Science - Mathematics - Permutations and Combinations

## In a class there are 27 boys and 15 girls. The teacher wants to select a boys and a girl for the monitor ship of the class. In how many ways can the teacher make this selection?

**Topperlearning User**4th June 2014, 1:23 PM

### CBSE - XI Science - Mathematics - Permutations and Combinations

## what is the value of P(6,4)

**BHAVYA PREETI**2nd June 2014, 11:26 AM