How many triangles are there in the given figure?
Single triangle = AOB, BOC, COD, DOE, EOA Triangles composed of two triangles = ADE, EOC, AOC, ABE Triangles composed of three triangles = BEC, ADC Triangles composed of five triangles = AEC
In how ways can the selection be made so that a particular member is always excluded?
...What will be the number of permutations of n different things, taken r at a time, where repeatition is allowed?
In how many ways 6 novels and 7 notebooks can be arranged in a row so that they are alternate?
In how many different ways can the letters of the word QUANTITY be arranged so that the vowels always come together?
Find the number of words that can be formed by using all letters of the word 'PAINT', if order of vowels remains same.
In an election, a voter may vote for any number of candidates not greater than the number to be chosen. There are 8 candidates and 5 members are to be c...
Out of 6 men and 3 women a committee of 3 members is to be formed so that it has 2 men and 1 woman. In how many different ways can this be done?
There are 20 Bikes in the No-Parking zone. On a Particular day, A policeman planned to fine the four bikes of the No-Parking Zone. In how many ways can ...
Four dice are rolled simultaneously. What is the number of possible outcomes in which at least one of the die shows 2?
A man has 15 friends out of which 7 are his relatives. In how many ways can he invite his 9 friends in which at least 5 must be his relatives?
