In a school the ratio of boys to girl is 4:3 and the ratio of girls to teacher is 8:1. The ratio of students to teacher …

Bench marks are fixed by 

The phreatic line in an earth dam may be 

How many members are elected from Eastern Europe to the Security Council? 

Primarily maintaining and improving quality control is the responsibility of  

The calcination of pure lime results in 

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

The Simpsons rule of areas assumes that the portions of the boundary between the ends of ordinates are