If A = [ 2 0 0 0 3 0 0 0 4 ], then which of the following statements are correct? 1. Aⁿ will always be singular for any positive integer n 2. Aⁿ will always be a diagonal matrix for any positive integer n 3. Aⁿ will always be a symmetric matrix for any positive integer n Select the correct answer using the code 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