After a 5% discount, an article is sold for $475. The price before the discount was

When metals react with acids they give a salt and:

$x is divided among three boys, Ryan, Keith and Andrew, in the ratio 2 : 3 : 7, respectively. If Andrew gets $15 more than Keith, what is the value of x ?

Which one of the following statements about constructive interference is NOT true?

Excretion is best defined as:

__________ is a type of chip from which data can be erased by exposure to ultraviolet light.

THE ITEM refers to the following illustration.

The pattern where many persons make the same decision as the young man in the picture is refered to as

Which of the relations represented below are functions?

Which of the following statements about anaerobic respiration is true?

Which of the following is LEAST likely to lead to the development of the Human Resources of a country?

In the Venn diagram above, the shaded portion represents

The active catalyst in a car′s catalytic converter is:

Iron chloride can be prepared from the reaction of iron and:

The number of atoms in this formula, H₂SO₄, is:

To make fertilisers and explosives we need:

Large-scale applications sometimes refer to a graphic tablet as a __________.

The chemicals that make up the bodies of animals and plants are called:

An insoluble metal oxide can be described as:

Instructions: Choose from the four suggested answers the word which is closest to OPPOSITE in meaning to the underlined word.

The headgear worn by the factory worker is made from artificial material.

3 ⁴/₅ expressed as a decimal is