As per IS specification, the minimum time for initial setting time ordinary Portland cement is  

In PERT technique, competition of an activity is called: 

राजपत्रांकित श्रेणीको पदमा उम्मेदवार हुनका लागि कति वर्ष हुनुपर्दछ ? 

Find the number of triangles in the given figure. 

By using the method of sealed quotation, which of the following cannot be procured?  

The flow in which each liquid particle has a definite path is called 

Identify the figure that completes the pattern. 

Minimum radius of the horizontal curve in hill roads is: