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13 Aug 2019, 23:56
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D
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
45%
(medium)
Question Stats:
70% (01:57) correct
30%
(01:57)
wrong
based on 286
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The numbers of marbles of each of four different colors in a box are in the ratio 3 to 4 to 6 to 8. If there are 24 marbles of one of the colors, which of the following CANNOT be the total number of marbles in the box?
A. 63
B. 84
C. 126
D. 144
E. 168
A. 63
B. 84
C. 126
D. 144
E. 168
14 Aug 2019, 00:10
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The ratio of four different colors is:
—> 3:4:6:8 —> 21x- the numbers of marbles
If 24 marbles is one of 4 marbles, then total numbers of marbles in the box should be:
—1st color—24:3=8–> 21*8=168
—2nd color—24:4=6–>21*6=126
—3rd color—24:6=4–>21*4=84
—4th color—24:8=3–>21*3=63
Only 144 cannot be the total number of marbles
The answer is D.
Posted from my mobile device
—> 3:4:6:8 —> 21x- the numbers of marbles
If 24 marbles is one of 4 marbles, then total numbers of marbles in the box should be:
—1st color—24:3=8–> 21*8=168
—2nd color—24:4=6–>21*6=126
—3rd color—24:6=4–>21*4=84
—4th color—24:8=3–>21*3=63
Only 144 cannot be the total number of marbles
The answer is D.
Posted from my mobile device
Archit3110
14 Aug 2019, 04:34
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Bunuel
ratio value ; 21x
so correct answer will be the one not a multiple of 21
IMO D; 144
