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GMAT Verbal Practice question quiz. Solve 20 GMAT Focus practice questions written by GMAT Ninja. Take this GMAT practice test live with peers in timed conditions, analyze your GMAT study progress, and see where you stand in the GMAT student pool.
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23 Apr 2025, 00:30
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D
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Difficulty:
25%
(medium)
Question Stats:
78% (01:04) correct
22%
(01:57)
wrong
based on 87
sessions
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In a certain box, the ratio of red marbles to blue marbles is 4 to 5, and the ratio of green to blue marbles is 2 to 3. What is the least number of marbles that could be present in the box?
A) 14
B) 15
C) 32
D) 37
E) 43
A) 14
B) 15
C) 32
D) 37
E) 43
23 Apr 2025, 04:07
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Bunuel
In a certain box, the ratio of red marbles to blue marbles is 4 to 5, and the ratio of green to blue marbles is 2 to 3. What is the least number of marbles that could be present in the box?
A) 14
B) 15
C) 32
D) 37
E) 43
The ratio of red : blue = 4:5 A) 14
B) 15
C) 32
D) 37
E) 43
The ratio of blue : green = 3:2
Blue is 5 and 3 in the ratios. LCM is 15.
Then, 3* (4:5) = 12:15 = red: blue.
Multiplying with 5* (3:2) = 15:10 = blue : green
Red: Blue : Green = 12k : 15k : 10k
Total marbles = 12k + 15k +10k = 37k
Least number of marbles is when K = 1 = 37
Option D
23 Apr 2025, 08:37
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In a certain box, the ratio of red marbles to blue marbles is 4 to 5, and the ratio of green to blue marbles is 2 to 3. What is the least number of marbles that could be present in the box?
R:B= 4:5 and G:B=2:3
R:B:G= 12:15:10
Least number of marbles in the box= 12x+15x+10x= 37x =37
(When x is 1, we get least number of marbles in the box)
Answer: D
R:B= 4:5 and G:B=2:3
R:B:G= 12:15:10
Least number of marbles in the box= 12x+15x+10x= 37x =37
(When x is 1, we get least number of marbles in the box)
Answer: D
