All the following are special purpose software EXCEPT

The area of the trapezium ABCD above is

The shaded area in the Venn diagram above represents

Genetic engineering involves:

January 1, 1999 a trader bought 100 articles at $5.00 each. During the month 70 Of the articles were sold at $8.00 each and the remainder were sold on January at the market value of $3.00 each. What was the gross for the month?

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?

If an increase of 20% will change the price of an item to $480, what is the original price of the item?

All of these are trace elements EXCEPT for:

Which of the following routes taken by blood in the body is correct?

The density of seawater is:

When dilute sulphuric acid is electrolysed the two gases produced are hydrogen and:

The chemicals that make up the bodies of animals and plants are called:

A certain nucleus has 12 protons and 16 neutrons.Which one of the following statements about the nucleus is NOT true?

Which of the following types of households in the Caribbean is MOST closely associated with ancestors who came from India?

The voltages from the electrochemical series are -2.92 for potassium and +0.34 for copper, which shows that:

Why is testing a leaf for starch a reliable indication that photosynthesis has taken place?

A flame test colour of red could indicate the presence of a compound of:

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 number of double bonds in a molecule of carbon dioxide is:

Which one of the following foods contains the most energy per 100 g?