If x is a negative real number, then which of the following are not correct ? 1. There is some natural number k such that kx > 0 2. x² + x > 0 always 3. x < x < –x 4. x² is always a rational number 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