A train travels at a speed of 40 km/hr and another train at a speed of 20 m/s. What is the ratio of the speed of the first train to that of the second train?
2 : 1
5 : 3
5 : 3
9 : 5
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