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31 Mar 2026, 19:00
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C
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Difficulty:
15%
(low)
Question Stats:
87% (01:42) correct
13%
(01:36)
wrong
based on 90
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At a lakeside park, two cyclists, Maya and Tessa, started riding at the same time from the entrance toward the marina along the same straight path, each at a constant speed. Tessa rode faster than Maya, reached the marina, turned around immediately, and began riding back toward the entrance before meeting Maya on the path. What was the distance from the entrance to the marina?
(1) When they met, Maya had covered 3/5 of the distance from the entrance to the marina.
(2) When they met, Tessa had covered 2,100 meters.
(1) When they met, Maya had covered 3/5 of the distance from the entrance to the marina.
(2) When they met, Tessa had covered 2,100 meters.
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03 Apr 2026, 02:30
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GMAT Club Official Solution:
At a lakeside park, two cyclists, Maya and Tessa, started riding at the same time from the entrance toward the marina along the same straight path, each at a constant speed. Tessa rode faster than Maya, reached the marina, turned around immediately, and began riding back toward the entrance before meeting Maya on the path. What was the distance from the entrance to the marina?
(1) When they met, Maya had covered 3/5 of the distance from the entrance to the marina.
Let the distance from the entrance to the marina be D. When they met, Maya had covered 3D/5. So Tessa had traveled from the entrance to the marina and then 2D/5 back, for a total of D + 2D/5 = 7D/5. But no exact value is given, so D cannot be determined. Not sufficient.
(2) When they met, Tessa had covered 2,100 meters.
This tells us only the distance Tessa had traveled when they met. We do not know where Maya was at that moment, so the total distance cannot be determined. Not sufficient.
(1) + (2):
From (1), when they met, Tessa had covered 7D/5.
From (2), Tessa had covered 2,100 meters.
So:
7D/5 = 2100
D = 1500
Sufficient.
Answer: C.
At a lakeside park, two cyclists, Maya and Tessa, started riding at the same time from the entrance toward the marina along the same straight path, each at a constant speed. Tessa rode faster than Maya, reached the marina, turned around immediately, and began riding back toward the entrance before meeting Maya on the path. What was the distance from the entrance to the marina?
(1) When they met, Maya had covered 3/5 of the distance from the entrance to the marina.
Let the distance from the entrance to the marina be D. When they met, Maya had covered 3D/5. So Tessa had traveled from the entrance to the marina and then 2D/5 back, for a total of D + 2D/5 = 7D/5. But no exact value is given, so D cannot be determined. Not sufficient.
(2) When they met, Tessa had covered 2,100 meters.
This tells us only the distance Tessa had traveled when they met. We do not know where Maya was at that moment, so the total distance cannot be determined. Not sufficient.
(1) + (2):
From (1), when they met, Tessa had covered 7D/5.
From (2), Tessa had covered 2,100 meters.
So:
7D/5 = 2100
D = 1500
Sufficient.
Answer: C.
General Discussion
31 Mar 2026, 22:02
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Given Ts> Ms
Statement 1: it tells us Maya covered 3/5 D whereas Tessa covered D+2/5D in the same time.
However this isn’t sufficient to find value of D ——- insufficient
Statement 2: this says Tessa covered 2100 m but we don’t know how much distance maya has covered or any relation between there speed or distance covered. ——- insufficient
Together , We know D + 2/5 D = 2100 m
7/5D= 2100 m
D= 2100*5/7=1,500 m —— sufficient
Answer C
Statement 1: it tells us Maya covered 3/5 D whereas Tessa covered D+2/5D in the same time.
However this isn’t sufficient to find value of D ——- insufficient
Statement 2: this says Tessa covered 2100 m but we don’t know how much distance maya has covered or any relation between there speed or distance covered. ——- insufficient
Together , We know D + 2/5 D = 2100 m
7/5D= 2100 m
D= 2100*5/7=1,500 m —— sufficient
Answer C
