A contractor completed five-ninths of a job before a second contractor completed an additional one-third. What fraction of the job is left undone?

The white blood cells that produce antibodies are called:

$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 ?

We can separate an insoluble solid from a liquid using:

Boiling and evaporation both involve a liquid turning into a vapour (i.e. a gas).The following statements relate to water.Which one is NOT true?

Which one of the following statements about an ammeter is NOT true?

Which of the following is based on exploiting non-renewable natural resources?

The particles in a liquid:

Which one of the following statements about diffraction is true?

Which of the following transactions should be debited in the Cash Account?

If US$1.00 is equivalent to J$120.00, how much in US$ would one get for J$9600?

Leaves are thin and flat:

For which of the following purposes is the information collected in a census normally used?

1. To determine the rate of population growth
2. To predict the needs of the society and plan how to satisfy them
3. To estimate the number of government supporters in the country

The number of electrons shared in a single covalent bond is:

Decomposers are important in the process of decay because:

The only one of the following which is NOT a change of state is:

Which one of the following is NOT a function of the placenta?

Which of the following are examples of environmental variation in humans?
Ⅰ hair colour
Ⅱ height
Ⅲ intelligence
Ⅳ body mass

If U = {1, 2, 3, . . . 10 } and S = { 2, 4, 6, 8, 10 }, then S ' =

A(n) __________ printer is suitable for printing multi-part forms because they easily print through many layers of paper.