Question
In 1898, which one from the following chemist discovered
neon by cooling a sample of air to a liquid state, heating the liquid and capturing gases upon boiling?Solution
The correct answer is C
In how many different ways can the letters of the word "AIRSTRIKE" be arranged if all the vowels must always be grouped together?
How many four-letter words without repetition having exactly two vowels can be formed by using the letters of the word "BALUSTER"?
In how many different ways can the letters of the word ‘PUBLIC’ be arranged in such a way that the vowels occupy only the odd positions?
In how many different ways can the letter of the word ‘STRONG’ be arranged?
How many three-letter words can be formed such that all letters are vowels, and no two letters are the same?
A team of 7 researchers is to be formed from 6 biologists and 4 chemists. Find the number of ways to form the team if it must include at least 5 biologi...
Find the number of words that can be formed by using all letters of the word ' PAINTING', if it starts with letter A and end with letter T.
How many arrangements of the word COMMITTEE are possible if the vowels are always together?
A cricket team of 9 players is to be formed from 10 batsmen and 6 bowlers. Find the number of ways to form the team such that at least 7 batsmen are sel...
From a group of 8 girls and 7 boys, a committee of 9 is to be formed. In how many ways can the committee be formed if it must include at least 6 girls?
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