Question
If 25 people working 15 hours a day can complete 5 units
of work in 8 days, how many days would be required by 12 persons to complete 10 units of work, working 20 hours a day?Solution
The correct answer is B
- How many four-letter words without repetition having exactly two vowels can be formed by using the letters of the word "VINTAGER"?
Using all the letters of the word CANOER, how many words start with a vowel but end with a consonant?
You have 4 distinct cubes and 2 distinct balls. Find the number of ways to arrange them such that all 4 cubes are not placed together.
Five articles out of which 3 are cups and rest are glasses have to be arranged on a shelf. Find the number of ways of arrangement in which all three cup...
- A group consists of 9 boys and 8 girls. In how many ways can 3 boys and 5 girls be selected from the group?
In a group of 9 boys and 6 girls, 5 students have to be selected. In how many ways it can be done so that only 2 boys are included.
Using all the letters of the word IMPACT, how many words start with a vowel but end with a consonant?
History books are never together.
In how ways can the selection be made so that a particular member is always excluded?  Â
How many numbers of five digits may be formed with the digits 5, 0, 9, 0, and 6?
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