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A: B = 3: 4 B: C = 1: 2 A: B: C = 3 × 1: 4 × 1: 4 × 2 = 3: 4: 8 If B equals 720, ⇒ 4unit = 720 Then 1 unit = 180 Therefore, A = 180x 3 = 540.
In how many ways can a committee of 3 men and 2 women be formed from 5 men and 6 women?
Geography books are never together.
In how many ways can 6 boys and 3 girls can be seated in a row so that they are in alternate position.
In how many ways can 7 boys and 2 girls can be seated in a row so that they are in alternate position.
In how ways can the selection be made so that a particular member is always included?
How many no. of 4 digits can be formed with the digits 4, 8, 7 & 3 no digit being repeated.
...In how many different ways can the letters of the word ‘CURIOES’ be arranged in such a way that the vowels occupy only the odd positions?
Akshay has 7 relatives, 3 males and 4 females. His wife twinkle also have 7 relatives, 3 females and 4 males. In how many ways can they invite 3 male an...
How many five digit numbers can be formed using the digits 0, 1, 2, 3, 4 and 5 which are divisible by 5, without repeating the digits?
How many different ways can the letters of the word ‘DEMONETIZATION’ be arranged?
