At what point of time after 3 o’clock, do the hour-hand and the minute-hand of a clock occur at right angles for the first time?
9 o’clock
4 hours 37 1⁄6 minutes
3 hours 30 8⁄11 minutes
3 hours 30 8⁄11 minutes
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