For the following questions answer them individually
If price of an article decreases from Rs 800 to Rs 700, quantity demanded increases from Q1 units to 70 units. If point elasticity of demand is -1.333 find Q1?
The series of processes by which nitrogen and its compounds are interconverted in the environment and
in living organisms is called .............. .
The Speaker of the sixth Lok Sabha who later
became the President of India was .............. .