New PMP Question & Answers with explanation

In the procurement process, the seller may be viewed initially as a bidder, then as the selected source, and then as the contracted supplier. The seller will typically manage the work as a project. In such an instance, which of the following is not true?
Select one
What similarity exists between a cost-reimbursable contract and a timeand-materials contract?
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What type of method uses a weighting ranking system for quantifying qualitative data to minimize the effect of personal bias during the process of selecting a seller?
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You are the project manager for a Fortune 100 IT company, and you are currently engaged in an important project. You want to choose the best contractor for a specialized task. What should you do to evaluate potential contractors?
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What do the buyer and seller have in common with regard to Control Procurements?
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