All of these are fractions from crude oil EXCEPT for:

A trader received an invoice for $4,000 less 25% trade discount. Subsequently he returned one eighth of the goods. What amount would be entered in his Returns Outwards Account?

Items bought by a trader for $80 are sold for $100. The profit expressed as a percentage of cost price is

A salt that contains water of crystallisation is:

Removal of forests may cause all of the following EXCEPT

The value of 5 in the number 357.21 is

A __________ is a device that is externally connected to and under the control of the central processing unit.

Three lights flash at intervals of 4, 6 and 10 seconds respectively. They are started together. How soon after will they next flash together again?

The non-metal used to make margarine is:

Vaccination causes a person′s immune system to produce:

The method by which certain uranium and plutonium nuclei can release energy in a reactor is known as:

Which of the following would MOST likely result from women working outside the home?

1. Improvement in the standard of living
2. Higher self-esteem for women
3. Fewer educational opportunities for men
4. Fall in family values

A dynamo connected to a circuit is being turned.Which one of the following would NOT generate a greater e.m.f.?

Which of the following BEST characterizes a primary group?

Which of the following statements about lipids is NOT true?

The blood cells that engulf invading microorganisms are:

In a plant cell, turgor is caused by:

Powders react faster than lumps because they have:

The shaded area in the Venn diagram above represents

The term __________ designates equipment that might be added to a computer system to enhance its functionality.