### 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

### JEE Plances JEE (Main) Mathematics Permutations and Combinations

## ques no 15

**chandanbr6004**12th December 2017 11:22 PM

### CBSE XI Science Mathematics Permutations and Combinations

## help me in these types of proofs!!

**nitishkrnehu09**6th February 2018 9:36 PM

### CBSE XI Science Mathematics Permutations and Combinations

## In how many ways can a vowel a consonant and a digit be chosen out of the 26 letters of the English alphabet and the 10 digits

**simran.gandhi27**17th February 2018 2:20 PM

### CBSE XI Science Mathematics Permutations and Combinations

## in how many ways can a party of 6 boys and 6 girls be seated at a circular table so that no two girls are adajacent ??

**tluser5**1st March 2018 2:15 PM

### CBSE XI Science Mathematics Permutations and Combinations

## How many 6 digit numbers can be formed with the digits 1,2,3,4,5,6,7 if the 10th and unit's places are always even and repetition is not allowed.

**Rohit.koshta01**4th March 2018 12:24 PM

### CBSE XII Science Mathematics

## how many five digit number divisible by three but doesnot contain three are there.

**mauryakumardilip99**14th March 2018 12:44 PM

### JEE Plances JEE (Main) Mathematics

## How to find rank of word in dictionary

**Chaitanya**4th April 2018 9:05 PM

### JEE Plances JEE (Main) Mathematics

## How to solve??

**g_archanasharma**17th April 2018 10:56 AM

### JEE Plances JEE (Main) Mathematics

## Pls solve

**g_archanasharma**18th April 2018 8:25 PM

### JEE Plances JEE (Main) Mathematics

## Explain with detailed solution..

**g_archanasharma**18th April 2018 8:26 PM

### JEE Plances JEE (Main) Mathematics

## Solve it

**sakshisingh3124**26th April 2018 10:23 AM

### JEE Plances JEE (Main) Mathematics

## How to solve?

**g_archanasharma**26th April 2018 2:23 PM

### JEE Plances JEE (Main) Mathematics

## In how many different ways a grandfather along with two of his grandsons and four grand daughters can be seated in a line for a photograph so that he is always in the middle and the two grandsons are neveradjacent to each other? (sir please give solution of above using gap method)

**jaychandran1967**6th May 2018 1:29 PM

### JEE Plances JEE (Main) Mathematics

## Each of 3 committees has 1 vacancy which is to be filled from a group of 6 people. Find the number of ways the 3 vacancies can be filled if Each person can serve on atmost 1 committee.

**jaychandran1967**6th May 2018 10:55 PM

### JEE Plances JEE (Main) Mathematics

## in how many ways can 6 different books be distributed among 3 children such that none gets equal no. of books?

**jaychandran1967**10th May 2018 12:19 PM

### JEE Plances JEE (Main) Mathematics

## 1. n different toys are to be distributed among n children. find the number of ways in which these toys can be distributed so that exacly one child gets no toy. soln. no. of ways of forming group of toys of quantity 1 and 2: n!/[(1!)^(n-2)]*(2!)*(n-2)! sir now my doubt is in how many ways we can arrange these grps, so as to get the complete soln.

**jaychandran1967**10th May 2018 1:00 PM

### CBSE X Mathematics

## A postman has to deliver five letters to give different houses. Mischievously, he posts one letter through each door without looking to see if it is the correct address. In how many different ways could be do this so exactly two of the five houses receive the correct letters?

**vikasg13.hardware**17th June 2018 7:51 AM

### CBSE X Mathematics

## Please Solve the giving question

**vikasg13.hardware**22nd June 2018 4:55 PM

### CBSE X Mathematics

## Please solve this question

**vikasg13.hardware**28th June 2018 6:23 AM

### CBSE X Mathematics

## A certain number has 4 digits . Each digit is an odd number. None of the digits is 9. Every digit in the number is different.The smallest digit is in the thousand place .The greates digit is in the ones place. The hints above describe two possible numbers. One number is greater of the two numbers.What is it?

**abhinavbhardwaj4002**29th June 2018 11:00 AM

### CBSE X Mathematics

## Please solve this question

**vikasg13.hardware**30th June 2018 6:44 AM

### CBSE XI Science Mathematics

## It is required to seat 5 men and 4 women in a row so that the women occupy even places.how many such arrangement s are possible.please give the explanation why the women can't occupy the following places M_M_M_M_M_ Which makes 5 vacant places for 4 women.

**shaikh.farid25**30th June 2018 10:30 AM

### JEE Plances JEE (Main) Mathematics

## Please answer this

**niharikabojanapalli**5th July 2018 1:49 PM

### CBSE XI Science Mathematics

## If there are six periods in each working days of a school, in how many ways can one arrange 5 subjects such that each subject is allowed period at least. (please also explain thelogic behind the question).

**paavan_vinodrai**20th July 2018 7:35 PM

### CBSE XI Science Mathematics

## thereare 10 buses running between delhi to agra. iin how many ways can aman go from delhi to agra and return by a different bus

**adityaranjan7481**1st August 2018 2:23 PM

### CBSE X Mathematics

## A test has 50 questions. A student scores 1 mark for a correct answer, -1/3 for a wrong answer and -1/6 for not attempting a qustion. If the net score of a student is 32, the number of questions answered wrongly by that student cannot be less than (1)6 (2)12 (3)3 (4)9

**vikasg13.hardware**7th August 2018 4:41 PM

### JEE Plances JEE (Main) Mathematics

## what is the number of all possible matrices with entry as 0 or 1 if the order of matrices is 3*3

**martinluther5277**12th August 2018 8:16 AM

### CBSE XI Science Mathematics

## eight cards bearing number 1,2,3,4,5,6,7,8, are well shuffled . then in how mAny ways the top two cards will form a pair of twin prime equals

**samyakagarwal7may**12th October 2018 11:42 PM

### JEE Plances JEE (Main) Mathematics

## Q) Determine the number of natural numbers smaller than 10^4, in the decimal notation of which all the digits are distinct.

**Anish**29th November 2018 11:38 AM

### IIT JEE Main Mathematics

## Sir pls solve the following.

**rsudipto**30th December 2018 8:49 PM

### IIT JEE Main Mathematics

## Sir pls solve the following.

**rsudipto**30th December 2018 8:49 PM

### CBSE XI Science Mathematics Permutations and Combinations

## In how many ways can 12 people sit around a table so that all shall not have the same neighbors in any two arrangements?

**yogeshkumar pathak**31st January 2019 11:56 PM

### CBSE XI Science Mathematics Permutations and Combinations

## 31st sum plz

**lovemaan5500**2nd February 2019 8:23 PM

### CBSE XI Science Mathematics Permutations and Combinations

## 6th sum

**lovemaan5500**2nd February 2019 8:29 PM

### CBSE XI Science Mathematics Permutations and Combinations

## How many words can be formed by taking 4 letters at a time out of the letters of the words MATHEMATICS?

**Kashifimam866**20th February 2019 5:58 AM