How many combinations of non-null sets A, B, C are possible from the subsets of {2, 3, 5} satisfying the conditions: (i) A is a subset of B, and (ii) B is a subset of C?

Four equilateral triangles are used to form a regular closed three-dimensional object by joining along the edges. The angle between any two faces is

Consider the following inequalities

𝑝² − 4𝑞 < 4

3𝑝 + 2𝑞 < 6

where 𝑝 and 𝑞 are positive integers.

The value of (𝑝 + 𝑞) is _______.