The water authority charges $10.00 per month for the meter rent, $2.50 for the first 1 000 litres and $0.10 for each additional 100 litres. What is the total bill for 2 500 litres used in one month?

A liquid compound that conducts electricity is:

Profits in the partnership of Bess, Bill and Bob are shared in the ratio 1 : 2 : 3. If Bill's share of the profits is $300, what is Bob's share?

Genetic engineering involves:

Which one of the following is NOT a reflex action?

None of these solutions in water conducts electricity EXCEPT for:

Which one of the following best compares the eye and a camera?

Candied fruits are preserved in a strong solution of:

When zinc metal is added to copper sulphate solution the products are copper and zinc sulphate solution, so the material that has been displaced must be:

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

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?

The Earth′s first atmosphere contained all of these gases EXCEPT for:

The area of the trapezium ABCD above is

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

A salt that contains water of crystallisation is:

Which one of the following is the best way to measure growth of an organism?

A collection of several tissues which carry out a particular function is called:

Which one of the following is NOT an inherited disorder?

Powders react faster than lumps because they have:

The only common gas that turns moist red litmus paper blue is: