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Ratios And Proportion

Ratio and Proportion are explained majorly based on fractions. When a fraction is represented in the form of a:b, then it is a ratio whereas a... View Article

Value Of Pi

The value of Pi (Ï€) is the ratio of the circumference of a circle to its diameter and is approximately equal to 3.14159. In a circle, if you... View Article

Surface Energy

Surface energy quantifies the disruption of intermolecular bonds that occurs when a surface is created.  It is also called surface free energy or... View Article

UPSC Question Paper 2019

UPSC Mains 2019 was conducted from 20 September 2019. The IAS Mains examination has nine descriptive type papers. Aspirants can download the IAS... View Article