By selling 100 pencils, a shopkeeper gains the sell price of 20 pencils. His gain percentage is 

Which one will replace the question mark ? 

Find out how will the key figure (X) look like after rotation. 

In a certain code, 134 is AGE and 92406 is INERT. What is 016923? 

A relatively permanent point of reference whose elevation is known as  

Sand required a high water cement ratio belongs to  

Accuracy of elevation of various points obtained from contour map is limited to 

Surveys which are carried out to provide a national grid of control for preparation of accurate maps of large areas, are…