The proportions of elements in a pure compound are always:

Plants lose water through their leaves by the process of:

The following statements refer to the laminated core of a transformer. Which one of them is NOT true?

The marked price of a stove was $520. A worker bought the stove on hire-purchase by making a down payment of $100, and twelve monthly payments of $40 each.
How much could she have saved if she had bought the stove for the marked price?

The units of specific latent heat are:

The following figures are taken from a manufacturing account.


The cost of tie year's production of finished goods is

All of these reactions are exothermic EXCEPT for:

Caribbean governments have improved the rights of children born out of wedlock by.

All of the following processes result in energy loss from an ecosystem EXCEPT for:

The speed of a dot-matrix printer is measured by the number of __________ that it can print.

The shaded area in the Venn diagram above represents

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

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

Overfishing means:

The width of a block of wood with rectangular cross-section is x cm. Its height is ²/₃ its width and its length is 4 times its height. What is its volume in cm³?

Which of the following is the MOST important aim of the trading arrangements within CARICOM?

The number 0.0417 in standard form is

In order to carry out photosynthesis, a plant needs:

The following are all features of insect-pollinated flowers EXCEPT for: