S1: The machines that drive modern civilisation derive their power from coal and oil.
S6: Nuclear energy may also be effectively used in this respect.
P: But they are not inexhaustible.
Q: These sources may not be exhausted very soon.
R: A time may come when some other sources have to be tapped and utilised.
S: Power may, of course, be obtained in future from forests, water, wind and withered vegetables.
The proper sequence should be:
P R S Q
R S P Q
Q R P S
S R P Q
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
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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