Question
If '+' means '÷' , '–' means '+' , '×' means '–'
and '÷' means '×', then what will come in place of (?) in the given equation? 8 ÷ 5 – 5 × 10 + 2 = ?Solution
The correct answer is A
Tap A can fill a tank in 12 hours. Tap B can fill 12.5% part of the same tank in 2 hours, whereas Tap C can alone empty a tank in ‘x’ hours. 5/8 par...
Pipes ‘A’ and ‘B’ together can fill a tank in 18 hours, while pipe ‘B’ alone can fill it in 36 hours. If pipe ‘C’ takes 12 hours less th...
The efficiency of pipe R is 60% more than the efficiency of pipe S. Pipe Q alone can fill 30% of the empty tank in 6 hours. Pipe R alone can fill an emp...
Pipes 'G' and 'H' can fill a tank in 15 and 20 minutes respectively. A leak opens when the tank is half full, removing (2/7)th of the water supplied. Wh...
Two inlet pipes 'A' and 'B' can fill an empty tank in 25 minutes and 50 minutes, respectively. Another outlet pipe 'C' can empty the tank in 100 minutes...
Two inlets X, Y fill the tank in 18 and 9 minutes. Outlet Z is 50% less efficient than X. ‘X’ and ‘Z’ open for 6 minutes, then X is replaced wit...
Pipe 'A' takes 10 minutes to fill half the tank. Pipe 'B' is 2 times more efficient than pipe 'A'. Find % of tank filled in 5 minutes by both.
Pipe 'A' alone takes 30 minutes to fill half of the tank. Pipe 'B' is twice as efficient as pipe 'A'. Find the percentage of the tank filled by both in...
Three pipes A, B and C can fill a tank in t, (t+12) & (t-12) hours respectively. Pipe A opened for d hours in the tank and after that B and C also opene...
Pipe A can fill a tank in 10 hours, whereas pipe B can empty the same tank in 12 hours. If the two pipes are operated alternately for one hour each, sta...
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