Gambusia can be used for the biological control of mosquitoes. Gambusia is a fish species that feeds on larvae of mosquitoes. Oil can also be used to prevent the breeding of mosquitoes on stagnant water by creating an oil slick on water. Ointments are used by humans which provide protection from mosquito bites. Dichlorodiphenyltrichloroethane (DDT) is an insecticide which can also be used to control (Not biologically) mosquitoes.
In how many ways will a team of 5 people be selected among 12 people such that one specific person will always be selected, and one specific person will...
In how many ways, can a team of 11 players be selected from a squad of 16 players?
11 people decided to spend an afternoon in two groups. A group of them decided to go to the theater and the remaining decided to play tennis. In how man...
Find the number of words that can be formed by using all letters of the word 'PAINT', if order of vowels remains same.
There are 8 men and 6 women in a party. If a group is formed with 4 members, then how many groups can be possible?
In how many ways can a group of 2 boys and 2 girls be made out of a total of 6 boys and 4 girls?
In a Group of 8 boys and 6 girls, Six children are to be selected. In how many different ways can they be selected such that at least one boy should be ...
How many different words can be made using all the letters of the word METROLOGY?
A bag contains 4 violet, 2 grey and 6 black pullovers. 3 pullovers are chosen at random. What is the probability that at least 2 pullovers chosen will b...
Find the number of words formed by using all the letter of the word MEMBER, so that the vowels are always together.
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