If price of an article decreases from Rs 600 to Rs 500, when quantity demanded increases from 10000 units to 12000 units. Find point elasticity of demand?
Name the state in which the village Gumthala Garhu near Pehowa in Kurukshetra district has become the first Wi-Fi hotspot village under bulk plan of Bharat Sanchar Nigam Limited (BSNL)?
A ball, thrown vertically upward, rises to a height of 80 m and returns to its original position. The magnitude of its displacement after 7 s of motion will be ____. (take g = 10 m/s2)