GMAT Quantitative Reasoning Practice Test 4

Question : 56 of 100

Marks: +1, -0

In a workshop there are 4 kinds of beds, 3 kinds of closets, 2 kinds of shelves and 7 kinds of chairs. In how many ways can a person decorate his room if he wants to buy in the workshop one shelf, one bed and one of the following: a chair or a closet?

Validate

Solution:

For the first roll there are 10 free students, for the second roll there are only 9 left. Therefore, we have

10 × 9 = 90

combinations total.

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