For the following questions answer them individually
A tankis filled in 7 hours by three pipes X, Y, and Z. The pipe Z is twice as fast as Y and Y is twice as fast as X. How much time will pipe X alonetaketo fill the tank?
The angle of elevation of a ladder leaning against a wall is 60 degree, and the foot of the ladderis 3.60 m away from the wall. Then the length of the ladderis
Find the odd man out:
792, 363, 176, 427, 473, 561
Whichoneof the following cannot be the square of natural number?
As per Indian standards, average rate of water consumption per head per dayis
In pressure supply mains, water hammerpressure is reduced by providing
A pipe, which is installed in the house drainage system to preserve the water seal of trapsis called
For treating the sewerageof a large city, which one of the following option is recommended?
According to Indian road congress the width of thecarriage way is
On hill roads maximum superelevation should not exceed