Most answered puzzles under tag permutation

+4 votes

In how many ways can all of the letters be placed in the wrong envelopes?

posted Sep 22, 2015 by anonymous

+2 votes

How many squares are there in a chessboard?

posted Jun 3, 2016 by Akriti

+1 vote

Out of 7 consonants and 4 vowels, how many words of 3 consonants and 2 vowels can be formed?

posted May 19, 2014 by Pardeep Kohli

+1 vote

At a party 28 handshakes were exchanged. Each person shook hands exactly once with each. How many people were present?

posted Dec 26, 2017 by anonymous

+1 vote

How many ways are there to arrange the digits 1 to 7 in a line such that no three consecutive digits are ascending?

posted Oct 6, 2017 by anonymous

0 votes

In how many ways 3 friends having 6 one rupee coins, 7 one rupee coins, 8 one rupee coins can donate 10 rupees?

posted Sep 7, 2017 by anonymous

0 votes

If you have sticks of length 1, 2, 3, 4, 5, 6, 7, 8 and 9 cm. How many different triangles con you make using 3 sticks?

posted Sep 6, 2017 by anonymous

0 votes

In how many different ways can the letter of the word ELEPHANT be arranged so that vowels always occur together?

posted Aug 17, 2017 by anonymous

0 votes

In how many ways we can wear three rings in the four fingers?

posted Jun 17, 2017 by anonymous

+1 vote

A four digit positive number having all non-zero distinct digits is such that the product of all the digits is least...

posted Oct 22, 2015 by anonymous

+1 vote

There is a 3 digit positive number such that sum of all its digits is equal to 6. How many such number are possible?

posted Aug 13, 2015 by anonymous

+2 votes

With 3 boys and 4 girls, arrange any 1 boy at center & any 2 girls at corners. In how many methods this can be arranged.

posted Aug 6, 2015 by anonymous

+2 votes

How many teams are there if there were a total of 595 handshakes?

posted May 29, 2015 by anonymous

+1 vote

If seven people meet each other and each shakes hands only once, how many handshakes will there have been?

posted May 6, 2015 by anonymous

0 votes

What would be rank of word RIDER in the dictionary of words formed by letter of word RIDER taken all 5 letter at a time?

posted Apr 15, 2015 by anonymous

+1 vote

Number of arrangements possible?

posted Dec 22, 2014 by Shashi Kant

0 votes

In how many different ways can the letters of the word 'LEADING' be arranged?

posted May 19, 2014 by Pardeep Kohli

+2 votes

When rolling 10 dice with 2020 faces each (numbered 1 to 20), how many ways are there of rolling a total sum of 15?

posted Sep 26, 2019 by anonymous

+2 votes

Using the digits 123456789, find a number such that the left most digit is divisible by 1, two left most digits by 2...

posted Jan 15, 2019 by anonymous

+1 vote

How many ways are there to answer a 20-question exam where 15 questions are true-false and 5 are MCQs with 4 choices?

posted Oct 26, 2018 by anonymous

0 votes

How many ways me and 9 friends can sat around a circular table so that my best friend Durgesh always sat in front of me?

posted Aug 5, 2018 by anonymous

0 votes

How many ways letters of word ‘CHEKOSLOVAKIA’ can be arranged so that “SL” always comes together and ‘H’ and ‘I’ at end?

posted Aug 5, 2018 by anonymous

0 votes

All possible four-digit numbers, with distinct digits using digits {1, 3, 4, 5, 6}. How many of them are divisible by 2?

posted Aug 3, 2018 by anonymous

0 votes

Among arrangements made using all letters of the word “EXAMINATION”, in how many arrangements A will come together?

posted Aug 3, 2018 by anonymous

+1 vote

In how many ways a committee, consisting of 5 men and 6 women can be formed from 8 men and 10 women?

posted Aug 3, 2018 by anonymous

0 votes

In how many different ways 4 children can be selected from 6 boys and 4 girls such that at least one boy is there?

posted Aug 3, 2018 by anonymous

+1 vote

Find rank of the word APJABDUL in the dictionary of the words formed by the letters of the word APJABDUL.

posted Jul 27, 2018 by Akriti

0 votes

How many squares are on a chessboard? More than 64! or less?

posted Jul 11, 2018 by anonymous

0 votes

On a train there was 1 first class carriage, 1 buffet carriage and 4 second class carriages....

posted Jun 21, 2018 by anonymous

0 votes

Six children sit round a round table. Ahmed is two along from Davina, who is sitting next to Fred, on his left...

posted Jun 4, 2018 by anonymous

0 votes

3 men and 3 women are to sit at a round table. In how many different ways can they sit so that no 2 women sit together?

posted May 10, 2018 by anonymous

0 votes

Six students around a circular table. Num of ways they can be seated if two particular persons are next to each other?

posted May 10, 2018 by Yogeshwar Thakur

+1 vote

Find the number of ways in which the letters of the word ARRANGE can be arranged such that both R do not come together.

posted May 10, 2018 by anonymous

0 votes

There are six combinations of numbers possible using the digits 2, 3, 8. How many of these combinations are even?

posted Apr 26, 2018 by anonymous

0 votes

How many 3 digit numbers can be formed using 1,2 and 3 without repeating a digit and how many of them would be even?

posted Apr 12, 2018 by anonymous

0 votes

How many unique ways are there to arrange the letters in the word NEIGHBOURHOOD?

posted Jan 18, 2018 by anonymous

+1 vote

What is the sum of all the 3 digit number formed by using digits 2, 5, 7 & 9 (repetition being not allowed)?

posted Jan 10, 2018 by anonymous

+1 vote

Find three different whole numbers that add up to 10. How many different ways can this be done?

posted Jan 2, 2018 by anonymous

0 votes

How many different ways can you find to make a square out of 8 dominoes?

posted Dec 20, 2017 by anonymous

+1 vote

How many unique ways are there to arrange the letters in the word Chimpanzee?

posted Dec 18, 2017 by anonymous

+1 vote

Find Rank of the word THURSDAYS in the dictionary of words formed by the letters of the word THURSDAYS?

posted Jul 7, 2017 by anonymous

0 votes

How many games must be played to produce one final winner?

posted Jul 1, 2017 by anonymous

+1 vote

How many different ways can you make 50p using 5p, 10p or 20p coins?

posted Jun 27, 2017 by anonymous

0 votes

In how many ways the corners of a square be colored using four colors?

posted Jun 17, 2017 by anonymous

+1 vote

How many ways can n books be placed on k distinguishable shelves?

posted Jun 11, 2017 by anonymous

0 votes

How many max number of mixed double tennis can be played among four couple if husband & wife are not allowed in a team?

posted May 27, 2017 by anonymous

0 votes

How many different paths can the grasshopper take to reach his destination?

posted May 24, 2017 by anonymous

0 votes

What is the rank of the word RANKING in the dictionary of words formed by the letters of the word RANKING?

posted May 4, 2017 by anonymous

0 votes

How many times potentiometer to identify each wire in a three wire cable?

posted Feb 28, 2017 by anonymous

+1 vote

If home is represented by blue house and store is red, how many possible routes can we take to get from house to store?

posted Feb 26, 2017 by anonymous