1. AB̅ + BC̅ + CA̅ = 0̅
2. AB̅ + BC̅ – CA̅ = 0̅
3. AB̅ – BC̅ + CA̅ = 0̅
4. BĀ – BC̅ + CĀ = 0̅
How many of the above statements are correct ?
One
Two
Three
Four
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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