21. In a line organization-
A. quick decisions are taken
B. discipline is strong
C. responsibility of each individual is fixed
D. All of these
22. A tie for leaving variables in simplex procedure implies-
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A. No Solution
B. Degeneracy
C. Cycling
D. Optimality
23. In a queuing problem, if the arrivals are completely random, then the probability distribution of the number of arrivals in a given time follows-
A. Normal distribution
B. Poisson distribution
C. Binomial distribution
D. Exponential distribution
24. In time study, the rating factor is applied to determine-
A. merit rating of the worker
B. fixation of incentive rate
C. standard time of a job
D. normal time of a worker
25. If the critical path of a project is 20 months with a standard deviation of 4 months. Then find the probability that the project will be completed in 24 months?
A. 68.5%
B. 84.2%
C. 92.2%
D. 95.8%