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Children are playing a game using two identical spinners that have fou

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Bunuel
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Children are playing a game using two identical spinners that have fou [#permalink] New post   23 Apr 2018, 05:51
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Children are playing a game using two identical spinners that have four equal sections numbered 10, 20, 30, and 40. A child spins the two spinners and computes the product of the two numbers that result from the two spins. Which of the following products is most likely to occur?

(A) 400
(B) 600
(C) 800
(D) 1,200
(E) 1,600
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A
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Children are playing a game using two identical spinners that have fou [#permalink] New post   23 Apr 2018, 06:05
Bunuel wrote:
Children are playing a game using two identical spinners that have four equal sections numbered 10, 20, 30, and 40. A child spins the two spinners and computes the product of the two numbers that result from the two spins. Which of the following products is most likely to occur?

(A) 400
(B) 600
(C) 800
(D) 1,200
(E) 1,600



There are 16 possible outcomes . The outcomes can be got by multiplying each number in one spanner with the other.

10*10 =100, 10*20 = 200, 10*30 = 300, 10*40 = 400

20*10 =200, 20*20 = 400, 20*30 = 600, 20*40 = 800

30*10 =300, 30*20 = 600, 30*30 = 900, 30*40 = 1200

40*10 =400, 40*20 = 800, 40*30 = 1200, 40*40 = 1600


Out of the options, 400 = options A is the most likely to occur.

Hence, 400 = options A is the answer.
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Re: Children are playing a game using two identical spinners that have fou [#permalink] New post   23 Apr 2018, 17:29
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4 = 2*2 or 4*1 or 1*4
6 = 3*2 or 2*3
8 = 4*2 or 2*4
12 = 3*4 or 4*3
16 = 4*4

4 is the winner.

Answer: A
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Re: Children are playing a game using two identical spinners that have fou [#permalink] New post   09 May 2018, 10:45
10,20,30,40

10 multiplied with all= 100,200,300,400
20 "". =200,400,600,800
30. "". =300,600,900,1200
40 "". =400,800,1200,1600

400 appear most number of times hence it is answer

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Re: Children are playing a game using two identical spinners that have fou [#permalink]
09 May 2018, 10:45
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