$x is divided among three boys, Romon, Deven and Adam, in the ratio 2 : 3 : 7, respectively. If Adam gets $28, what is the value of x ?

Which of the following statements about photosynthesis is NOT true?

The proportions of elements in a pure compound are always:

Which one of the following statements about diffraction is true?

Given ƒ : x -> 3x - 1, and g : x -> x², then ƒg(-2) =

The main site of action of ADH (antidiuretic hormone).

The number of litres in 2000 cm³ is:

The units of specific latent heat are:

Three lights flash at intervals of 4, 6 and 10 seconds respectively. They are started together. How soon after will they next flash together again?

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 type of polymerisation used to make polythene is called:

The specific heat capacity of a particular liquid is 3000 J kg^-1 K^-1. A large beaker containing 2 kg of the liquid has to be warmed from 25 ℃ to 35 ℃. A 100 W heater is used. If all the thermal energy could be transferred to the liquid, how long would it take?

The treaty which led to the establishment of CARICOM is an example of a

Eight bits are called a __________.

The expression (3x - 2)(x + 1) =

An increase in drawing will result in

All of the following are features of a gas exchange surface EXCEPT for:

Which one of the following lists only differences between aerobic respiration and anaerobic respiration?

In the eye, rays of light are focussed on the retina by being refracted at:

Which one of the following pairs of definitions is correct?