A man positioned at the origin of the coordinate system. the man can take steps
A man positioned at the origin of the coordinate system. the man can take steps of unit measure in the direction North, East, West…
How many four letter distinct initials can be formed using the alphabets of Engl
How many four letter distinct initials can be formed using the alphabets of English language such that the last of the four words is…
There are 6 equally spaced points A, B, C, D, E and F marked on a circle with ra
There are 6 equally spaced points A, B, C, D, E and F marked on a circle with radius R. How many convex pentagons…
What is the total number of ways in which Dishu can distribute 9 distinct gifts
What is the total number of ways in which Dishu can distribute 9 distinct gifts among his 8 distinct girlfriends such that each of…
In an examination paper, there are two groups each containing 4 questions. A can
In an examination paper, there are two groups each containing 4 questions. A candidate is required to attempt 5 questions but not more than…
How many number of times will the digit 7 be written when listing the integers f
How many number of times will the digit 7 be written when listing the integers from 1 to 1000?
After every get-together every person present shakes the hand of every other per
After every get-together every person present shakes the hand of every other person. If there were 105 handshakes in all, how many persons were…
In how many ways can 15 people be seated around two round tables with seating ca
In how many ways can 15 people be seated around two round tables with seating capacities of 7 and 8 people?
How many diagonals can be drawn in a pentagon?
How many diagonals can be drawn in a pentagon?
In how many ways can the letters of the word EDUCATION be rearranged so that the
In how many ways can the letters of the word EDUCATION be rearranged so that the relative position of the vowels and consonants remain…
There are five women and six men in a group. From this group a committee of 4 is
There are five women and six men in a group. From this group a committee of 4 is to be chosen. How many different…
A team of 8 students goes on an excursion, in two cars, of which one can seat 5
A team of 8 students goes on an excursion, in two cars, of which one can seat 5 and the other only 4. In…