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 closet, one bed and one of the following: a chair or a shelf?
Answers: A) A)168. B) B)80. C) C)56. D) D)108. E) E)16.
ways to select one closet = 3   ways to select one bed = 4   ways to select one of the following: a chair or a closet = 7+2 = 10   ways to select all of them together = 3*4*9= 
<gadget id="calculator">3*4*9</gadget>
<output>108</output>
108   Answer : 108.
<result>D</result>
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 closet, one bed and one of the following: a chair or a shelf?