Question
If '+' means '-', ' X ' means '+', '-' means '÷' and
'÷' means ' X ', then what is the value of the following expression? 912 - 8 + 211 X 14 ÷ 15 + 52 - 4Solution
912 - 8 + 211 X 14 ÷ 15 + 52 - 4 912 ÷ 8 - 211 + 14 x 15 - 13 ÷ 4 114 - 211 + 14 x 15 – 13 114 – 211 + 210 – 13 = 100.
Pipe A fills a tank in 8 hours, Pipe B fills it in 12 hours, and Pipe C empties it in 24 hours. If all are opened together, how long will it take to fil...
Time taken by pipe 'A' to fill a tank is 50 minutes. When both pipes 'A' and 'B' are opened together, the tank gets filled in 25 minutes. Find the time ...
Pipe ‘A’ and pipe ‘B’ can fill a cistern in 18 minutes and 16 minutes respectively. Pipe ‘C’ alone can empty the cistern in 12 minutes. If a...
Pipes 'A', 'B', and 'C' working together can fill a tank in 4 hours, while pipes 'B' and 'C' together can fill the same tank in 2...
- Pipe A can fill a tank in 20 hours and pipe B in 30 hours. If both the pipes are opened in an empty tank, how much time will they take to fill it?
Pipes ‘A’ and ‘B’ can fill a tank in 6 hours and 4 hours respectively. When both pipes and an outlet pipe ‘C’ are opened together, (2/5)th o...
One tap can fill a container in 9 hours, while another outlet tap can empty it in 27 hours. If both taps run together, how long will it take to fill the...
Pipe ‘A’ takes 10 minutes to fill a tank. Pipe ‘B’ takes 20 minutes to empty the same tank. If pipe ‘B’ is opened 5 minutes after pipe ‘A�...
Pipe ‘A’ and pipe ‘B’, together can fill 20% of a tank in 7 hours while pipe ‘C’ takes 40 hours to empty it. ...
An inlet pipe can fill a tank in 8 hours, whereas an outlet pipe can empty the same tank in 16 hours. Find the time taken by three such inlet pipes and ...
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