A man walking at 5 km/hour noticed that a 225m long train coming in the opposite direction crossed him in 9 seconds. The speed of the train is
75 km/hour
80 km/hour
85 km/hour
90 km/hour
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