Which of the following statements with regard to Portland cement are correct? 1.Silica imparts strength to cement 2.Alumina makes the cement quick setting 3.Excess of lime increases strength of cement 4.Calcium sulphate decreases initial setting time Select the correct answer using the code given below.

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