The measurement is not made in square metres in case of 

The defect in painting caused by excessive moisture vaporizing in back to the film is known as  

A trough or valley is formed when 

The interest calculated on the basis of 365 days a year is known as 

The area occupied by AO drawing sheet is how many times the area occupied by A1 drawing sheet  

Pantagraph is used for 

The concept of five-year plan was borrowed from  

What is the study of cancer called?