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Let the marked price = 100x Cost price = 70x Selling price = 150% of 70x = 105x Profit = 105x – 70x = 35x 840 = 35x x = 24 marked price = 100x = 100×24 = 2400
In how many different ways can 4 blue beads and 3 red beads be arranged in a row such that all the blue beads are together and all the red beads are tog...
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?
In how many different ways can the letters of the word “MONDAY” be arranged in such a way that the vowels always come together?
A total of 24 points are given on a plane, out of which 10 are collinear. How many distinct straight lines can be formed using these points?
In an election, a voter can vote for any number of candidates not exceeding the number to be elected. There are 7 candidates and 4 members to be elected...
In how ways can the selection be made so that a particular member is always excluded?
...In how many ways Barcelona’s football team captain and vice-captain be elected from a team of 15 men?
Find the number of words that can be formed by using all letters of the word 'TANGLE', if it starts with letter G and end with letter A.
Maria and Ariana were only two girls participating in a Billiards tournament. Every Participant played two games with every other participant. The numb...
