m and n are roots of the equation x2 – 16x + 63 = 0 x2 – (7 + 9)x + 63 = 0 x = 7, 9 m = 7, n = 9 =>∛ (100 + 243) = Q + 12 => 7 = Q + 12 => Q = -5 m = 7, n = 9, Q = -5 Quantity I : m2 + Q = 72 + (-5) = 44 Quantity II : n2 + 4Q = 92 + (-20) = 81 - 20 = 61 Quantity I < Quantity II
In what time would a cistern be filled by three pipes whose diameter are 2cm, 2*2/3cm, 4cm running together, when the largest pipe alone fill the cister...
Tap A can fill a tank in 20 hours and tap B can emptied it is 25 hours. Tap A starts filling and they opened for 1 hour each alternatively in what time ...
Pipe P can fill half of the tank in 8 hrs 5 min and pipe Q can fill the same tank completely in 16 hrs 5 min. Another pipe R can empty the full tank in ...
If a tank can be filled by a tap in 15 hours, but due to an outlet, it actually takes 5 hours longer to fill the tank, find the duration in which the ou...
A bought an article at 8% less of the marked price and sold it at 15% more than the marked price. Find the profit earned by him.
In what time would a Cistern be filled by three pipes whose diameter are 2cm, 2 2/3cm and 4cm running together, where the largest pipe alone fill it in ...
Two pipes, A and B, can independently fill the tank in 15 minutes and 20 minutes respectively, while pipe C can empty 7 gallons from the tank in 2 minut...
Pipe A alone fill the tank in x hours and Pipe B alone fill the tank in (x – 10) hours. If the efficiency of pipe B is triple of pipe A and pipe A...
Pipe ‘A’ can fill a 300-litre tank in 30 hours. If pipe ‘A’ is 25% more efficient than pipe ‘C’ whereas pipe ‘B’ is 50% more efficient t...
Pipe 'A' and pipe 'B', alone can fill a tank in 20 minutes and 30 minutes, respectively. Both the pipes were opened together to fill the tank, but later...