Assertion (A) Physiological density is preferable to arithmetic density as an index of population density.
Reason (R) Physiological density is based on arable land while arithmetic density is based on total area.

Consider the following statements (As per provisional population data of Census $2011$)?
1. India's literacy rate is $74.04\%$.
2. India's male literacy rate is $82.14\%$.
3. India's female literacy rate is $65.46\%$.
4. Odisha state has the lowest literacy rate with $63.82\%$.
Which of the statements given above is/are incorrect?

Which of the following tribes of India practise polyandry?

1. Gonds       

2. Nagas

3. Jaunsaris     

4. Todas

Select the correct answer from the codes given below