If p, q, r, s and t represent length, breadth, height, surface area and volume of a cuboid respectively, then what is 1/p + 1/q + 1/r equal to?
s/t
2t/s
s/2t
2s/t
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