An association between organisms of two different species in which one is inhibited or destroyed and the other is unaffected is called ammensalism.
Maria and Ariana were only two girls participating in a Billiards tournament. Every Participant played two games with every other participant. The numb...
The number of ways in which a committee of 3 ladies and 4 gentlemen can be appointed out of 8 ladies and 7 gentlemen If Mrs. X refuses to serve on a com...
In how many ways can the letters of the word ENGINEERING be arranged?
If the letters of the Word SINHA are arranged in all possible ways and these words are written out as in Dictionary, then the rank of the word SINHA is
How many three-letter words can be formed such that all letters are vowels, and no two letters are the same?
In how ways can the selection be made so that a particular member is always excluded?
In how ways can the selection be made so that a particular member is always excluded?
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 ...
How many even five-digit numbers can be formed using the digits 0 to 9 if no digit is repeated?
In a party 19 persons shake hands with every other person. Find the total no of handshakes in the party?