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06 Apr 2026, 19:00
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D
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Difficulty:
45%
(medium)
Question Stats:
69% (01:48) correct
31%
(01:37)
wrong
based on 71
sessions
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A delivery fleet currently has 108 vehicles of two types: vans and trucks. Are more than 75 percent of the vehicles vans?
(1) If the fleet added 12 trucks, then 30 percent of the vehicles would be trucks.
(2) 7/9 of the vehicles in the fleet are electric vans.
(1) If the fleet added 12 trucks, then 30 percent of the vehicles would be trucks.
(2) 7/9 of the vehicles in the fleet are electric vans.
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14 Apr 2026, 01:45
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GMAT Club Official Solution:
A delivery fleet currently has 108 vehicles of two types: vans and trucks. Are more than 75 percent of the vehicles vans?
(1) If the fleet added 12 trucks, then 30 percent of the vehicles would be trucks.
Let t be the original number of trucks. Then statement (1) implies
(t + 12)/(108 + 12) = 0.3
This equation determines t uniquely, so the original number of trucks is fixed. Therefore, the original number of vans is also fixed (108 - t), and we can determine whether more than 75 percent of the vehicles are vans. Sufficient.
(2) 7/9 of the vehicles in the fleet are electric vans.
7/9 = 0.777..., which is already greater than 0.75. So more than 75 percent of all the vehicles are electric vans. Because electric vans are a subset of vans, it follows that more than 75 percent of all the vehicles are vans. Sufficient.
Answer: D.
A delivery fleet currently has 108 vehicles of two types: vans and trucks. Are more than 75 percent of the vehicles vans?
(1) If the fleet added 12 trucks, then 30 percent of the vehicles would be trucks.
Let t be the original number of trucks. Then statement (1) implies
(t + 12)/(108 + 12) = 0.3
This equation determines t uniquely, so the original number of trucks is fixed. Therefore, the original number of vans is also fixed (108 - t), and we can determine whether more than 75 percent of the vehicles are vans. Sufficient.
(2) 7/9 of the vehicles in the fleet are electric vans.
7/9 = 0.777..., which is already greater than 0.75. So more than 75 percent of all the vehicles are electric vans. Because electric vans are a subset of vans, it follows that more than 75 percent of all the vehicles are vans. Sufficient.
Answer: D.
General Discussion
BongBideshini
Joined: 25 May 2021
Last visit: 02 May 2026
Posts: 169
Given Kudos: 81
Location: India
Concentration: Entrepreneurship, Marketing
Schools: HBS '27 Stanford '27 Wharton '27 Sloan '27
GPA: 3.8
WE:Engineering (Government)
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06 Apr 2026, 23:52
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Statement 1 :
T+12 = (108+12) * 30 %
T=24,
So Vans = 108 – 24 = 84
Sufficient
Statement 2 :
Electric vans = (7/9) × 108 = 84
Total vans >= 84
Sufficient
Ans (D)
T+12 = (108+12) * 30 %
T=24,
So Vans = 108 – 24 = 84
Sufficient
Statement 2 :
Electric vans = (7/9) × 108 = 84
Total vans >= 84
Sufficient
Ans (D)
Bunuel
