Question
A vessel contains 360 litres of milk and water in the
ratio of 7:5. If 15 litres of milk is added to the mixture, then find the ratio of milk to water in the final mixture.Solution
The quantity of milk in the initial mixture = 360 Ă— 7/12 = 210 litres The quantity of water in the initial mixture = 360 - 210 = 150 litres The ratio of milk to water in the final mixture = (210 + 15) : 150 = 225:150 = 3:2
How many different words can be formed with the letters of the word PRACTICE such that each of the word begin with E and ends with R?
How many four-letter words without repetition having exactly two vowels can be formed by using the letters of the word "CAMPFIRE"?
A team of 6 members is to be formed from a group of 7 boys and 6 girls. Find the number of ways to form team such that the team consists of at most 3 gi...
How many four-letter words without repetition having exactly two vowels can be formed by using the letters of the word "SEMINAR"?
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 how many ways can 4 boys and 3 girls can be seated in a row so that they are in alternate position.
In how many different ways can the letters of the word ‘PADDLED’ be arranged?
Find total number of ways in which the word “BOOKKEEPER” can be arranged.
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...
Find the number of ways to arrange each letter of the word 'PROFESSION' such that all the vowels always come together.
Relevant for Exams:
