Which is the first Hindi newspaper of India?

Organisms that generate energy using light are known as ______.

Which of the following gases is produced due to incomplete combustion of fuel?

Match the characteristics with their market structure:

(a) Differentiated products, but close substitutes for consumers so their demand curves are elastic
(b) Homogeneous product, all goods are perfect substitutes for consumers

If price of an article decreases from Rs P1 to Rs 75, quantity demanded increases from 1000 units to 1200 units. If point elasticity of demand is ­3.2 findmP1?

'Vallam Kali Boat Race' is held in which state?

Convert decimal number 101 to binary.

Why does carbon tetrachloride have no dipole moment?