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How many different meal combinations consisting of one entrée, one veg

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Bunuel
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How many different meal combinations consisting of one entrée, one veg [#permalink] New post   26 Apr 2018, 13:35
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How many different meal combinations consisting of one entrée, one vegetable side dish, one nonalcoholic beverage, and one dessert are possible from a selection of 10 entrées, 12 vegetable side dishes, 5 nonalcoholic beverages, and 6 desserts?

(A) 3,600
(B) 720
(C) 600
(D) 300
(E) 33
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A
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DavidTutorexamPAL
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Re: How many different meal combinations consisting of one entrée, one veg [#permalink] New post   26 Apr 2018, 13:46
Bunuel wrote:
How many different meal combinations consisting of one entrée, one vegetable side dish, one nonalcoholic beverage, and one dessert are possible from a selection of 10 entrées, 12 vegetable side dishes, 5 nonalcoholic beverages, and 6 desserts?

(A) 3,600
(B) 720
(C) 600
(D) 300
(E) 33


As we can use a specific rule for a straightforward calculation, we'll just do it.
This is a Precise approach.

Since each choice of dish is independent of the others, and since we have to choose one of each then the total number of combinations is
10C1 * 12C1 * 5C1 * 6C1 = 10 * 12 * 5 * 6 = 3600

(A) is our answer.
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Re: How many different meal combinations consisting of one entrée, one veg [#permalink] New post   26 Apr 2018, 19:44
Bunuel wrote:
How many different meal combinations consisting of one entrée, one vegetable side dish, one nonalcoholic beverage, and one dessert are possible from a selection of 10 entrées, 12 vegetable side dishes, 5 nonalcoholic beverages, and 6 desserts?

(A) 3,600
(B) 720
(C) 600
(D) 300
(E) 33



Ans (a)

10*12*5*6=3600
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Re: How many different meal combinations consisting of one entrée, one veg [#permalink] New post   27 Apr 2018, 00:05
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Bunuel wrote:
How many different meal combinations consisting of one entrée, one vegetable side dish, one nonalcoholic beverage, and one dessert are possible from a selection of 10 entrées, 12 vegetable side dishes, 5 nonalcoholic beverages, and 6 desserts?

(A) 3,600
(B) 720
(C) 600
(D) 300
(E) 33


Ans: A

for 4 position we are given total numbers of selection options for those 4 positions.
Positions are Entree VSD NAB Des
No. of Option 10 12 5 6
Total number of Combinatios: 10*12*5*6 = 3600
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Re: How many different meal combinations consisting of one entrée, one veg [#permalink]
27 Apr 2018, 00:05
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