Which day is celebrated as Vegetation Day in Nepal? 

A wheel has 16 spokes. How many spaces are there between the spokes? 

Select a suitable figure from the four alternatives that would complete the figure matrix. 

The kiln which may work throughout the year, is 

The minimum value of NPV for selection of an engineering project should be 

Main principle of surveying is to work from  

The bulk density of aggregates does not depend upon: 

The fourth proportional to 5, 8, 15 is: