A circular railway project was divided into five successive stages of construction. The contract for the construction works of each stage was awarded to a different contractor.

From the information given below, can you identify the starting and finishing point of each successive stage of construction, and say which contractor was awarded the contract for the construction works of each stage? Remember that every fact is important and must be considered.

1. Contractors are referred to by the following symbols: A, B, C, D, E.
2. The Points between the different stages of the project are referred to by the following symbols: P1, P2, P3, P4, P5.
3. Contractor E was awarded the contract for the works of the stage starting at point P4.
4. The stage from point P5 to point P3 was not the first stage.
5. Contractor D was awarded the contract for the works of the fourth stage.
6. Stage 3 finished at point P1, and the contract for the works of which was not awarded to Contractor A.
7. Contractor C was awarded the contract for the works of the stage ending at point P5.

What are the starting, finishing point of each stage in the project and which contractor would execute the works in each stage?

By misronet.com

Answer is here

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