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Let the total capacity of the tank be 60 units Efficiency of pipe ‘A’ = 60/12 = 5 units/hour Efficiency of pipe ‘B’ = 60/15 = 4 units/hour Tank filled in 10 hours = 10 × 5 = 50 units Therefore, required time taken to fill the remaining tank = (60 – 50)/(5 – 4) = 10 hours Therefore, total time taken = 10 + 10 = 20 hours
One TB (Tera Byte) approximately occupies or comprises which of the following data or space size
Study the adjoining picture and answer the following questio...
Who, in mythology, wished for everything he touched to turn to gold?
In a row of 35 student, Ramesh is 24th from starting. Two student from last went away. What is the position of Ramesh from last row?
Hot air balloon rises up because
The six freedoms in Article 19 can be curtailed by:
Which amongst the following events of the ancient India, was last to happen ?
Consider the following statements :
1. The distance from the Equator to either of the poles is one-fourth of a circle round the earth...
The basic teachings of which amongst the following sects/religions are contained in the maxim "Good Thoughts, Good Words and Good Deeds."
Which amongst the following statements is/are not correct ?
1. Isthmus is a narrow strip of land joining two landmasses.
2. ...