Questions

Euclid of Alexandria was a Greek mathematician, often referred to as the Father of Geometry.

Numismatics is the study or collection of currency, including coins, tokens, paper money, and related objects.

Fractional distillation is the process of seperation of a mixture of two or more liquids into the different fractions, which differ fairly widely in their boiling points. The liquid with a lower boiling point will be vaporized first and hence would be the distillate (first fraction). Eg. Ethyl alcohol has a boiling point of 78.10C and water 1000C. When a mixture of these two liquids is heated, alcohol vaporizes first and is collected separately as the distillate. 

A metaphor is a figure of speech that is used to make a comparison between two things that aren't alike but do have something in common.

In all the given options we have Metaphors.

Sum of all numbers in each row and columns must be 15.

In last row to gt sum as 15 missing number must replaced by 1.