This question refers to the triangle PQR in which angle QPR = 90°, PR = 12 cm and PQ = 5 cm.

The length of QR, in cm, is

A man's regular pay is $3 per hour up to 40 hours. Overtime is twice the payment for regular time. If he was paid $168, how many hours overtime did he work?

Which one of the following statements about light passing down an optical glass fibre is NOT true?

Acid soils can be neutralised by adding:

The statements refer to a fuse. Which one is true?

Each of the features of our bodies is controlled by a:

In pea plant size, tall is dominant to dwarf.You cannot tell whether a tall plant is homozygous (TT) or heterozygous (Tt).To find its genotype you perform a test cross.This involves:

In the circle above, the circumference is 10 cm. The length of the arc AB, in centimetres, is

When gas particles spread out we call it:

The role of the Opposition in Parliament can BEST be described as

Active transport:

The electrical charges on a proton and an electron are:

Devices that capture data directly from a source document include all of the following items EXCEPT __________.

Which one of the following diagrams illustrates short-sightedness?

(F = Focal point)

Which of the following characteristics MUST ALL formal groups possess?

1. Membership requirements
2. Code of conduct
3. Specific objectives
4. Elected leaders

3 ⁴/₅ expressed as a decimal is

After a 10% discount, an article is sold for $360. The price before the discount was

Globalization is characterized by all of the following EXCEPT the

In data representation, a __________ represents one character which may be a letter, number, or punctuation mark.

Which of the following can cross the placenta from mother to fetus?