Questions

Covalent bonds are bonds formed between two non metals by sharing of electrons in their outer most orbits for stable.

By asking this the interviewer want to know how much will you obey and obedient to your respective authorities.

Example answer :

Say that you deal with authority as you deal with customers - with integrity, professionalism and politeness.

Variable costs are expenses that vary in proportion to the amount of goods or services that a business produces. 

Examples of variable cost include labor, packaging and raw materials.

In the month/day format 3/14 i.e, Mrach 14th is celebrated as Pie Day as its value is 3.14.

The multiplier effect means that "An effect in economics in which an increase in spending produces an increase in national income and consumption greater than the initial amount spent."