Questions

Compound word means when two or more words join together to make a single word that gives a new meaning.

Here in the options, Self-evident is the compound word.

A data series which is represented in rows or columns or both in a excel work sheet is a collection of the related data.

I am black gold i.e charcoal. It is black when it is not used and when using it is red due to fire and when used it is in grey color as it becomes ash. 

Secondary market refers to market where securities are traded after being initially offered to the public in the primary market and/or listed on the stock exchange.

Charak was a native of Kashmir.

The prime cost calculates the use of raw materials and direct labor, but does not factor in indirect expenses, such as advertising and administrative costs.

Supervisor's wages doesn;t come under prime cost.