combinations Archives - MCQ and Quiz for Exams

1. From a sales line of 10 products, how many ‘ subsets of 3 products can be offered to customers ?

130

125

124

120

Detailed SolutionFrom a sales line of 10 products, how many ‘ subsets of 3 products can be offered to customers ?

2. The number of ways in which 3 boys and 2 girls can be arranged in a queue, given that the 2 girls have to be next to each other, is

12

24

48

120

Detailed SolutionThe number of ways in which 3 boys and 2 girls can be arranged in a queue, given that the 2 girls have to be next to each other, is

3. If x boys and y girls sit in a row randomly, in how many ways can all the girls sit together ?

144

200

240

260

Detailed SolutionIf x boys and y girls sit in a row randomly, in how many ways can all the girls sit together ?

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