Consider the following statements :
1. Diamond is hard and graphite is soft.
2. Diamond is soft and graphite is hard.
3. Diamond is a bad conductor but graphite is a good conductor.
4. Diamond is a good conductor but graphite is a bad conductor.
Which of the statements given above is/are correct ?
1 and 3
1 only
2 and 3
1 and 4
For election to the Lok Sabha, a nomination paper can be filed by
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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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