# Optimality is reached when all index values are

1.  Zero

2.  Negative

3.  Positive

4.   None of these

4

Positive

Explanation :
No Explanation available for this question

# In assignment model

1.  Degeneracy always present in all the problems

2.  Number of resources is equal to number of jobs

3.  Only one unit from the ith source can be assigned to anyone its destination

4.  All of these

4

All of these

Explanation :
No Explanation available for this question

# In a n n matrix of an assignment problem, the optimality is reached when the minimum number of straight line scoring all zeros is

1.  n2

2.  1/n

3.  n

4.  none of these

4

n

Explanation :
No Explanation available for this question

# In a M/M/1 queue model, the mean rate of arrival is λ, the length of the queue is Q. The excepted waiting time in the queue will be

1.  Q

2.  Q/λ

3.  λ/Q

4.   1/Qλ

4

Q/λ

Explanation :
No Explanation available for this question

# The city corporation is having a computer to record birthes in a locality, where it is estimated that, on an average there is a birth in every two hours. The probability that no birth takes-place in a day, in this locality will be

1.  0.000006

2.  0.00006

3.  0.0006

4.   0.006

4

0.000006

Explanation :
No Explanation available for this question

# In a M | M | 1 queue, the service rate is

1.  Poisson

2.  Exponential

3.  Linear

4.   None of the above

4

Exponential

Explanation :
No Explanation available for this question

# In a M | M | 1 queue, the mean service rate (μ) as compared to mean arrival rate (λ), is

1.  More

2.  Less

3.  Same

4.  None of these

4

More

Explanation :
No Explanation available for this question

# M | M | 1 (Single service model) is

1.  A single channel and single service unit

2.  As ‘First come First served’ basis

3.  A system having probability distribution independent of time

4.  All of these

4

All of these

Explanation :
No Explanation available for this question

# Queue length (Lc) refers to the

1.  Excepted time of an arrival, until it is being taken up for service

2.  Excepted numbers waiting in the queue

3.  Number of units in the system

4.   None of these

4

Excepted numbers waiting in the queue

Explanation :
No Explanation available for this question

1.

2.

3.

4.

4