The-following table gives data about literacy rates of four different states obtained during four censuses in the country.

Which state has the lowest literacy rates as per all the four censuses from which data is provided

Andhra Pradesh

Literacy rate of karnataka over all four years = 75.6 + 66.6 + 56.0 + 46.2 = 244.4

Literacy rate of Gujrat over all four years = 79.3 + 69.1 + 61.3 + 44.9 = 254.6

Literacy rate of Andhra Pradesh over all four years = 67.7 + 60.5 + 44.1 + 35.7 = 207.9

Literacy rate of kerala over all four years = 93.9 + 90.9 + 89.8 + 78.9 = 353.5

So , Andhra Pradesh has Lowest literacy rate.