Consider the following statements :
1. All machines consume energy.
2. Electricity provides energy.
3. Electrically operated machines are cheap to maintain.
4. Electrically operated machines do not cause pollution.
Which one of the following inferences can be drawn from the above statements?
All machines are run by electric energy.
There is no form of energy other than electricity.
Most machines are operated on electric energy.
Electrically operated machines are preferable to use.
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 ?
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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%?
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