The equation formed by multiplying each root of ax² + bx + c = 0 by 2 is x² + 36x + 24 = 0. Which one of the following is correct ?
bc = a²
bc = 36 a²
bc = 72 a²
bc = 108 a²
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