The Length: Width in case of an arrow head is. 

Rajpal is a resident of 21st floor from the top and 9th from the ground (which is counted as floor no. 1) of a building.…

Total latitude of a point is positive if it lies 

The area under Beta- Distribution curve is divided into two equal parts by 

The performance of a specific task in CPM, is known 

Ranging is the operation of  

The ratio of maximum shear stress to average shear stress of a circular beam, is 

The boundary of water of  a still lake represents