Question
A water tank has two holes. The 1 hole alone empties the
tank in 9 minutes and 2nd hole alone empties the tank in 6 minutes. If water leaks out at a constant rate, how many minutes does it take if both the holes together empty the tank?Solution
The correct answer is A
Present age of Vikrant is 20% less than the present age of Priya. Age of Vikrant 5 years ago was 50% the present age of Priya. Find the present average ...
If (x - 1) 3 Â + (y - 2) 3 Â + (z - 3) 3 Â + 3(x + y - 3)(y + z - 5)(x + z - 4) = 0, then what is the value of (x + y +...
If a + b + c + d = 4, then the value of Â
A train can cross a pole, a bridge of 720 meter long and platform of 640 meter long in 9 seconds, _____ seconds and 25 seconds, respectively.
The...
If  x4 +  1/(x4) = 194 ,  , then find the value of  1/(x3 ) + x3  ?
...A carriage travelling in fog passed along a man who was walking @ 6 km/hr in the same direction. He could see the carriage for 8 minutes and it was visi...
What will come in place of the question mark (?) in the following series?
23, 46, ?, 184, 368, 736
(√ (sec2 θ + cosec2 θ )) ((sinθ (1 + cosθ ))/(1 + cos&thet...
‘a’ is directly proportional to ‘b’. If at a=30, the value of ‘b’ is 20% greater than ‘a’, then find the value of ‘a’ when b=54.
...
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