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15 Jul 2019, 01:34
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The length, width, and depth of a rectangular tank are 6 feet, 5 feet, and 7 feet, respectively. A hose supplies water at a rate of 6 cubic feet per minute. How much time in minutes would it take to fill a conical tank whose volume is three times the volume of the rectangle tank?
A. 90
B. 95
C. 100
D. 105
E. 110
A. 90
B. 95
C. 100
D. 105
E. 110
vinayakvaish
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15 Jul 2019, 01:39
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Volume= 6*5*7= 210 cm3
Rate- 6 cm3/min
Volume of conical tank- 3*210 cm3
time required- (3*210)/ 3*2
time=105 mins
Ans D
Rate- 6 cm3/min
Volume of conical tank- 3*210 cm3
time required- (3*210)/ 3*2
time=105 mins
Ans D
15 Jul 2019, 01:42
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Bunuel
The length, width, and depth of a rectangular tank are 6 feet, 5 feet, and 7 feet, respectively. A hose supplies water at a rate of 6 cubic feet per minute. How much time in minutes would it take to fill a conical tank whose volume is three times the volume of the rectangle tank?
A. 90
B. 95
C. 100
D. 105
E. 110
A. 90
B. 95
C. 100
D. 105
E. 110
Time taken = 3* (6*5*7) / 6 = 105 minutes.
IMO D
