The document which is used when a country imposes ad valorem duties is

• A. bill of lading
• B. consular invoice
• C. certificate of origin
• D. open indent

What is the best method of demagnetizing a steel bar magnet?

• A. Hammering
• B. Heating it
• C. Rough handling it
• D. Solenoid method

In an experiment to determine Young's Modulus for a wire, several loads are attached to the wire and the corresponding extension measured. The tensile stress in each case depends on the

• A. load and the extension
• B. load and the radius of the wire
• C. radius of the wire and the extension
• D. extension and the original length of the wire

At which stage of production should a firm shut down? when

• A. AVC=ATC
• B. AVC
• C. AVC>price
• D. AVC=MC

A fall in the marginal propensity to save will lead to?

• A. a decrease in national income
• B. an increase in national income
• C. no change in national income
• D. an increase in disposable income

Blueberries cost more than strawberries. Blueberries cost less than raspberries. Raspberries cost more than both strawberries and blueberries. If the first two statements are true, the third statement is

• A. true
• B. false
• C. uncertain
• D. None of the above

Each interior angle of a regular polygon is 108°. How many sides has it?

• A. 5
• B. 7
• C. 9
• D. 14

The primary cause of species endangerment is

• A. disappearing habitats
• B. increase in temperatures
• C. acid rain
• D. exposure to hazardous wastes

Answer the following question below and select the option that best explains the information conveyed in the sentence. The company ought to have issued warrants for one billion shares

• A. the company has issued one billion share
• B. the management expected the company to issue more than one billion shares
• C. members of the company bought less than one billion shares
• D. the company did not issue one billion shares

Which of the following properties of waves is exclusive to transverse waves?

• A. reflection
• B. interference
• C. diffraction
• D. polarization