Assertion (A): Silver is not used to make electric wires. Reason (R):  Silver is a bad conductor. 

Which river originates from the highest place in the world? 

Internal friction between the ingredients of concrete, is decreased by using 

The length of a long wall in the long and short wall method of estimation is centre to centre distance between the walls…

If the excavation of earth is done manually then it costs Rs. 10 per cum. A machine can excavate at a fixed cost of Rs. …

Count the number of triangles and squares in the given figure. 

What is the time period required for the invitation of bids in the case of NCB? 

 Observe the dots on a dice (one to six dots) in the following figures. How many dots are contained on the face opp…