At which one of the following times, do the hour hand and the minute hand of the clock make an angle of 180° with each other?
At 7:00 hours
Between 7:00 hours and 7:05 hours
At 7:05 hours
Between 7:05 hours and 7:10 hours
Angle of 180o means that they must be directly opposite to each other. This will happen a little time after 7:05 hours.
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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