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23 Apr 2018, 05:51
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A
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
35%
(medium)
Question Stats:
73% (02:00) correct
27%
(01:59)
wrong
based on 172
sessions
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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
(A) 400
(B) 600
(C) 800
(D) 1,200
(E) 1,600
23 Apr 2018, 06:05
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Bunuel
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.
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
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
