An analysis of monthly wages paid to the workers in two firms A and B belonging to the same industry gives the following result: Firm A: Number of workers = 500, Average monthly wage = ₹1860, Variance of distribution of wages = 81 Firm B: Number of workers = 600, Average monthly wage = ₹1750, Variance of distribution of wages = 100 The average of monthly wage and variance of distribution of wages of all the workers in the firms A and B taken together are

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