The system of equations: x + 2y + z = 4, 2x + 4y + 2z = 8 and 3x + 6y + 3z = 10 has
Unique solution
Infinite many solutions
No solution
Exactly three solutions
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