The combined age of a man and his wife is 6 times the combined age of their children. Two years ago their combined age was10 times the combined age of their children; and six years later their combined age will be3 times the combined age of their children. How many children do they have if each child is at least 2 years old ?

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