The approximate population in India at the beginning of 20th century was ___.

Q.

Question 136

At the end of the 20th century, the world population was approximately $6.1\times {10}^9$ people. Express this population in usual form. How would you say this number in words?

Q.

Question 136

At the end of the 20th century, the world population was approximately $6.1\times {10}^9$ people. Express this population in usual form. How would you say this number in words?

Q. The most important factor, which determined the increase in human population in India during the 20th century.

Q. Give the appropriate figures for the population in India in million at (a) the beginning and (b) the end of twentieth century. (a) ___________ (b) ___________

Q. There has been a rapid increase in world population during 20th century specially in India mainly due to