Which one of these statements is true for ALL electromagnetic waves?

How much simple interest is due on a loan of $240 for two years if the annual rate of interest is 4 per cent?

The diagram above shows the graphs of 3x - y = 1 and 5x + 2y = 20 . Which ordered pair (x, y) satisfies both equations?

Which of the following would play an important part in a government′s efforts to increase consumption of locally produced food?

The number of electrons in a full electron shell is:

The two common varieties of chlorine atoms are called:

Which of the following devices are MOST LIKELY to be used at an airport for border control activities?

A home computer system is equipped with a memory card reader, floppy disk drive, a DVD drive and an internal hard disk, The LEAST an MOST portable media that can be used with this computer are __________.

In making bread the enzymes in yeast break down starch to give:

The type of polymerisation used to make polythene is called:

Reactive metals such as potassium react with water to give hydrogen and:

All of the following devices are commonly used non-impact printers EXCEPT __________.

The alloy, brass, contains copper and:

The ABC Company deposited a Cheque received from Mr. Murray for $300.00. How must this transaction be recorded in ABC′s book?

1. Credit the Cash Book $300
2. Credit Murray′s Account
3. Debit the Bank Account
4. Debit the Cash Account

Arrange the following secondary storage devices in order of increasing capacity from smallest to largest: a 1GB memory card, CD-ROM, DVD and a 128 MB flash drive.

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

If x = 2³ × 5² =, then x⁴ =

The range of values of v when 5 - v ≤ 2v - 1 is

When an acid neutralises an alkali the pH is likely to be:

Which one of the following is NOT an inherited disorder?