The assistant professor frantically prepared his tenure and promotion dossier for the personnel committee. The deadline loomed and he had several other things to accomplish - deadlines for papers and key correspondence that demanded replies. By his reckoning, he probably didn't have enough toner, paper, or computing time available to accomplish all that he had left to do. His project is unfortunately:

A) Time constrained.
B) Resource constrained.
C) Mix-constrained.
D) Personally constrained.

Option C                        

Explanation:

In simple words, mix constraint refers to the situation when a particular project or task lacks the resources needed to complete it. Those resources could be not be available at all or could lack the level of quantity needed to perform the particular job.

In such a situation, no level of human efforts could make that job complete or successful. Thus, from the above we can conclude that the given case illustrate the problem of mix constraint.

answer may be d i think