Consider the following layers of the atmosphere : 1.Troposphere 2.Stratosphere 3.Mesosphere 4.Thermosphere Which one among the following is the correct sequence of the layers with increasing altitude from the Earth’s surface ?

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