1. P = π cm²
2. 9Q + 4R = 36π cm²
Select the correct answer using the code given below :
1 only
2 only
Both 1 and 2
Neither 1 nor 2
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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