combinations

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

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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

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href="https://exam.pscnotes.com/mcq/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/#more-3740">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

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row randomly, in how many ways can all the girls sit together ?

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Test 1
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