Consider the following statements : 1. The matrix | 1 2 1 | | a 2a 1 | | b 2b 1 | is singular. 2. The matrix | c 2c 1 | | a 2a 1 | | b 2b 1 | is non-singular. Which of the above statements is/are correct?

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