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19 Oct 2021, 06:00
Kudos
Bookmarks
E
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:
61% (01:59) correct
39%
(01:51)
wrong
based on 69
sessions
History
Date
Time
Result
Not Attempted Yet
A rectangular water storage tank is 4 feet wide and 2.5 feet high. The tank is 1/4 full. An additional 45 cubic feet of water would completely fill the tank. How many inches long is the tank? (Note: 1 foot = 12 inches)
A) 6
B) 18
C) 36
D) 64
E) 72
A) 6
B) 18
C) 36
D) 64
E) 72
19 Oct 2021, 11:24
Kudos
Bookmarks
Bunuel
\(Length*4*2.5 = \frac{45*4}{3}\)
So, Length = 6 feet, Hence the tank is \(6*12 = 72\) inches long ,Answer will be (E)
24 Oct 2021, 04:24
Kudos
Bookmarks
So... if 1/4 of the tank is full and by adding another 45c.f of water we would completely fill the tank, then 45 is 3/4 of the total, so the total is 60c.f. Length*width*height=60 hence Length is 6 feet , thus 72 inches, answ.choice E
