Which of the following statement/statements related to the distribution of Indian population is correct?

1. Out of 121 crore population, 83.3 crore people live in rural areas.
2. India has favourable sex ratio (as per the census of 2011).
3. Literacy rate of India is increasing.
4. Both (1) & (3)

Which of the following is the most populous city in India?

1. Chennai
2. Kolkata
3. Mumbai
4. Delhi

Skilled human resource refers to those,

1. who perform any specific work with efficiency.
2. who are well educated & trained.
3. who are experienced & devoted to their fields.
4. All the above.

The training which improves the production and efficiency of workforce is called

1. job training
2. vocational training
3. legal training
4. refresher training