Which country has adopted a mixed system of governance, both federal and presidential? 

Choose the set of figures which follows the given rule.Rule: Closed figures become more and more open and open figures b…

The diameter of a domestic sewer pipe laid at gradient 1 in 100 is recommended 

 

Find out which of the figures (1), (2), (3) and (4) can be formed from the pieces given in figure (X). 

The technique which is activity oriented is 

To attain the required shape of the tunnel section, we use: 

In a group of cows and hens, the number of legs is 14 more than twice the number of heads. The number of cows is: