Which one of the following is the correct order of the valencies of elements Ne, Si, N and Mg?
Ne < Mg < N < Si
Si < N < Mg < Ne
Ne < N < Si < Mg
Mg < Ne < N < Si
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