Question
Rs.14000 was divided among A, B and C in the ratio
2:2:3. B kept Rs.1200 for himself, gave Rs.600 to his mother and divided the remaining money among his two sisters in the ratio 11:9. Then one of his sisters received:Solution
B’s share = Rs. 14000 × (2/7) = Rs. 4000 Money distributed between the two sisters, => Rs. [4000 – (1200 + 600)] = Rs. 2200 First sister’s share = Rs. 2200 × (11/20) = Rs. 1210 Second sister’s share = Rs. 2200 × (9/20) = Rs. 990
- How many four-letter words without repetition having exactly two vowels can be formed by using the letters of the word "MEASURE"?
How many three-letter words can be formed such that all letters are vowels, and no two letters are the same?
In how many different ways can the letter of the word ‘PRAISE’ be arranged?
Simplify: 2(x+1) × 8(x−2) = 64. Find x.
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 letter is randomly selected from the word "DETACHMENT." What is the probability that the selected letter is a vowel?
In how many ways can a squad of 10 people be selected from 9 trainees and 5 supervisors such that the squad has at least 8 trainees?
Geography books are always together.
- Eight books out of which 4 are part of a series and the remaining are standalone books are to be arranged on a shelf. Find the number of arrangements in wh...
A group consists of 9 boys and 7 girls. In how many ways can 4 boys and 3 girls be selected from the group?