JEE Main Paper 2B (B.Planning): Mathematics, Aptitude and Planning
JEE Main Paper 2B (B.Planning) is the planning route. It adds a Planning section to Mathematics and the Aptitude Test, so it tests quantitative reasoning plus awareness of settlements, land use, maps and urban infrastructure.
Structure and content
Mathematics and Aptitude follow the objective, negative-marked format. The Planning section is objective and typically includes data interpretation, map reading, scale, density, land-use distribution, transport, housing and environmental planning. Expect charts and tables rather than essay answers. Planning terminology matters: FAR/FSI, setback, gross vs net density, catchment and hierarchy of settlements.
Core concepts
Gross density uses the whole site; net density excludes non-residential land such as major roads and open space. FAR (floor area ratio) = total floor area ÷ plot area. Scale converts map distance to ground distance. Land-use percentages must sum to 100%; the remaining share is the category not named.
Worked example
A 12 ha residential site has 25% of its area under roads and open space and contains 600 dwelling units. Net residential area = 75% of 12 = 9 ha. Net residential density = 600 ÷ 9 ≈ 66.7 dwelling units per hectare. Using 12 ha would give 50 du/ha, which is the gross density, not the net density.
Traps that cost marks
Confusing gross and net density; applying FAR to the wrong area; reading a pie chart as raw counts; converting hectares to m² incorrectly (1 ha = 10,000 m²); and losing marks to negative marking on guessed planning facts. Also check whether a question asks for population density or dwelling density.