Consider the following statements.
1. A transport problem is said to be a balanced problem if the number of origins and destination is equal.
2. Dual theory of simplex method of LP can be used to solve a game theory problem.
3. CPM is often referred to as time cost trade off.
4. Time is not the only variable in PERT.
5. In a single channel queueing models, μ = λ, infinite queue will build up.