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blowice27
Joined: 16 Apr 2019
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Schools: Foster '22 (D) Olin '22 (A$) Rotman '23 (D) NUS '23 (I) Tepper '23 (A) Marshall'23 (I) Kelley '23 (A$) Kenan-Flagler'23 (A$)
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311
04 Oct 2019, 09:56
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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% (02:42) correct
27%
(02:42)
wrong
based on 73
sessions
History
Date
Time
Result
Not Attempted Yet
P and Q travels from D to A and break journey at M in between. Somewhere between D and M, P asks "how far have we travelled?" Q replies, "Half as far as the distance from here to M". Somewhere between M and A, exactly 300 km from the point where P asks the first question, "How far have we to go?" Q replies, "Half as far as the distance from M to here". The distance between D and A is:
A. 250 km
B. 350 km
C. 450 km
D. 500 km
E. 640 km
A. 250 km
B. 350 km
C. 450 km
D. 500 km
E. 640 km
04 Oct 2019, 20:38
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Bookmarks
2x+2y=300
x+y=150
3(x+y)=150*3=450Km
x+y=150
3(x+y)=150*3=450Km
blowice27
P and Q travels from D to A and break journey at M in between. Somewhere between D and M, P asks "how far have we travelled?" Q replies, "Half as far as the distance from here to M". Somewhere between M and A, exactly 300 km from the point where P asks the first question, "How far have we to go?" Q replies, "Half as far as the distance from M to here". The distance between D and A is:
A. 250 km
B. 350 km
C. 450 km
D. 500 km
E. 640 km
A. 250 km
B. 350 km
C. 450 km
D. 500 km
E. 640 km
Attachments
Untitled.png [ 3.68 KiB | Viewed 7896 times ]
04 Oct 2019, 20:45
Kudos
Bookmarks
blowice27
P and Q travels from D to A and break journey at M in between. Somewhere between D and M, P asks "how far have we travelled?" Q replies, "Half as far as the distance from here to M". Somewhere between M and A, exactly 300 km from the point where P asks the first question, "How far have we to go?" Q replies, "Half as far as the distance from M to here". The distance between D and A is:
A. 250 km
B. 350 km
C. 450 km
D. 500 km
E. 640 km
A. 250 km
B. 350 km
C. 450 km
D. 500 km
E. 640 km
Please mention the source
