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

To make cell walls, plants must have:

Three lights flash at intervals of 2, 6 and 14 seconds respectively. They are started together. How soon after will they next flash together again?

The following are all minerals EXCEPT for:

How many subsets does the set {a, b, c, d, e} have?

In a box, there are 3 white, 4 red and 2 blue marbles. What is the probability that a marble taken at random is NOT blue?

Which of the following does NOT contribute to unemployment?

The water authority charges $20.00 per month for the meter rent, $2.00 for the first 1 000 litres and $0.20 for each additional 100 litres. What is the total bill for 2400 litres used in one month?

The electrical charges on a proton and an electron are:

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

2(5 - x) - 3(x - 6) =

Which of the following is the Highest Common Factor of 18, 24 and 36?

A reaction that gives out heat is said to be:

The common name for silicon dioxide is:

How many grams are in 2 kilograms?

On January 1, a firm's capital is $4,600. On December 31, of the same year, the following information was provided: Drawings $850, Total Assets $10,000. Loan Outstanding $950 and Creditors $4,000. What was the Net Profit that year?

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

Instruction: Choose from the four options the word or pair of words which BEST completes the meaning of the sentence.

While the committee members ............ insults across the floor, the chairman tried in vain to ............ order.

A lens forms a real image of magnification ×3.Which one of the following statements is NOT true?

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