The average of a set of numbers reduces from 14 to 11 when the number 35 is removed. How many numbers were in the original set?

You look through a microscope to view the Brownian motion of smoke in a container of air. Which one of the following statements is NOT true?

What is the BEST option available to persons who are qualified but cannot find a job?

A cell in an embryo divides by mitosis three times in succession. How many cells will be formed from these divisions?

The value of 5 in the number 357.21 is

Acid soils can be neutralised by adding:

The proportions of elements in a pure compound are always:

The equation of the line which passes through the point (0, 2) and has a gradient of ¹/₃ is

The site of reabsorption of MOST of the water from the filtrate.

Instructions: Choose from the four options the word or pair of words which BEST completes the meaning of the sentence.

Are you trying to ............ that all along he knew of the plot to oust the committee?

Which of the following sets has an infinite number of members?

What is the simple interest earned on $10 000 invested for 3 months at a rate of 5% per annum?

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

Different structures based on the same molecular formula are called:

Which of the following is NOT transported in phloem?

To make cell walls, plants must have:

All of these are ordered crystalline structures EXCEPT for:

The existence of a neutral particle named the neutron was first confirmed experimentally by:

What is the value of u in the sequence 2 , 7 , 14 , 23 , 34 , u ?

The optimum pH for most enzyme action is: