If the mean of m observations out of n observations is n and the mean of remaining observations is m, then what is the mean of all n observations?
2m – (m²/n)
2m + (m²/n)
m – (m²/n)
m + (m²/n)
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
Miscellaneous · Easy
Which among the following events happened earliest ?
Miscellaneous · Easy
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%?
Miscellaneous · Easy