**1. **The objective of the transportation problem which is to be maximized is to

- maximize the total profit.
- minimize the total loss .
- neither maximize nor minimize.
- optimal cost.

Correct answer: (A)

maximize the total profit.

maximize the total profit.

**2. **A diagonal matrix in which all the diagonal elements are equal is a ______________.

- scalar matrix.
- column matrix.
- unit matrix.
- None of these.

Correct answer: (A)

scalar matrix.

scalar matrix.

**3. **Cramer's Rule is also known as ______________.

- Inverse Matrix Method
- Matrix Method
- Determinant Method
- Inverse Method

Correct answer: (C)

Determinant Method

Determinant Method

**4. **The Lender's are also known as ______________

- Creditor's
- Debtor's
- Buyer's
- None of the above.

Correct answer: (A)

Creditor's

Creditor's

**5. **Under annuity due, payment is due at the ______________.

- beginning of the time.
- end of the time.
- at the middle of the time.
- each.

Correct answer: (A)

beginning of the time.

beginning of the time.

**6. **Banker's discount is given by the formula ______________.

- Anr/100.
- Pnr/100.
- Anr.
- Pnr.

Correct answer: (A)

Anr/100.

Anr/100.

**7. **Unbounded solution in an LPP is ______________.

- where the objective function can be decreased indefinitely.
- which maximizes the objective function.
- where the objective function can be increased or decreased indefinitely.
- where the objective function can be increased indefinitely.

Correct answer: (C)

where the objective function can be increased or decreased indefinitely.

where the objective function can be increased or decreased indefinitely.

**8. **The Key row is selected when the column of Z_{j}-C_{j} is finding the ratio which is ______________.

- maximum.
- minimum.
- largest positive.
- most negative.

Correct answer: (B)

minimum.

minimum.

**9. **Graphical method can be used only when the decision variables is ______________.

- more than 3.
- more than1.
- two.
- one.

Correct answer: (C)

two.

two.

**10. **______________ is the time consuming job (or) task that is a key subpart of the total project.

- Activity.
- Event.
- Node.
- All the above.

Correct answer: (A)

Activity.

Activity.