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Pipes A and B can fill a tank in 5 and 6 hours respectively. Pipe C can empty it in 12 hours. If all the three pipes are opened together, then the tank will be filled in?
A. 1 13/17 hours
B. 2 8/11 hours
C. 3 9/17 hours
D. 4 1/2 hours
Pipes and Cisterns · Easy · 4 weeks ago
A library has an average of 510 visitors on Sunday and 240 on other days. The average number of visitors per day in a month of 30 days beginning with a Sunday is___________?
A. 250
B. 276
C. 280
D. 285
Arithmetic Mcqs · Easy · 4 weeks ago
The radius of a semi circle is 6.3 cm then its perimeter is?
A. 35.4 cm
B. 32.4 cm
C. 32 cm
D. 30 cm
Areas · Easy · 4 weeks ago
If the sides of a cube are in the ratio 4:3. What is the ratio of their diagonals?
A. 4:3
B. 16:9
C. 64:27
D. 3:4
Volumes · Easy · 4 weeks ago
Rayan crosses a 400m bridge in 3 minutes. What is speed?
A. 133.33 kmph
B. 1.33 kmph
C. 4 kmph
D. 8 kmph
Time & Distance Mcqs · Easy · 4 weeks ago
If the side of a square is increased by 25 %. Then its area is increased by:__________?
A. 25 %
B. 55%
C. 40.5 %
D. 56.25 %
Percentage Mcqs · Easy · 4 weeks ago
A man sells 320 mangoes at the cost of 400 mangoes. His gain percent is:_________?
A. 10%
B. 15%
C. 20%
D. 25%
Profit and Loss Mcqs · Easy · 4 weeks ago
Pipe A can fill a tank in 5 hours, pipe B in 10 hours and pipe C in 30 hours. If all the pipes are open, in how many hours will the tank be filled?
A. 2
B. 2.5
C. 3
D. 3.5
Pipes and Cisterns · Easy · 4 weeks ago
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