**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- **

**Read More- Welding Types and Definitions Notes**

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%