Q: 7 (CDS-I/2016)

Consider the following statements regarding laterite soils of India :
1. Laterite soils are generally red in colour
2. Laterite soils are rich in nitrogen and potash
3. Laterite soils are well developed in Rajasthan and UP
4. Tapioca and cashew nuts grow well in this soil
Which of the statements given above is / are correct?
question_subject: 
Geography
question_year: 
2016
question_exam: 
CDS-I
stats: 
0,584,1328,152,248,1104,408