The area of the figure formed by the lines ax+by+c=0, ax-by+c=0, ax+by-c=0 and ax-by-c=0 is
c²/ab
2c²/ab
c²/2ab
c²/4ab
For election to the Lok Sabha, a nomination paper can be filed by
Miscellaneous · Easy
In a month if the seventh day is three days earlier than Saturday,then the nineteenth day of the month will be a
Miscellaneous · Easy
Which among the following events happened earliest ?
Miscellaneous · Easy
An 80-litre solution of alcohol and water has 75% alcohol. How much water (in litres) must be added to bring down the concentration of alcohol to 60%?
Miscellaneous · Easy