Silver thiosulphate (STS) commonly used to increase the vase life of cut flowers. STS increases the water uptake during pulsing. It acts as anti-ethylene which prevents senescence and flower decay.
In how many different ways can the letters of the word QUANTITY be arranged so that the vowels always come together?
A dinner party to be fixed for a group of 100 people. At this party,50 people did not prefer fish,60 preferred chicken and 10 did not prefer either chic...
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...
Geography books are never together.
In how many ways can the letters of the word VOWEL can be arranged so that all the consonants occupy odd places, vowels come on even places?
A team of 4 men and 2 women is to be selected out of 8 men and 4 women. If only one man and one woman remain in the team, then what will be the total nu...
In an examination of 5 subjects, it is mandatory for a student to pass in each subject. In how many ways can she fail?
A committee of 4 people is to be formed from a group of 10 individuals. If 2 specific individuals refuse to work together, how many different committees...
Among a set of 4 black balls and 3 white balls, how many selections of 3 balls can be made such that at least 2 of them are black balls?
How many different words can be made using all the letters of the word METROLOGY?