The number of electrons in a full electron shell is:

$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 ?

How many lines of symmetry does this shape have?

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?

Banks and other financial institutions utilize __________ technology that automatically verifies the identity of callers wishing to access their accounts.

The interest rate on investments in a bank increased from 5 per cent per annum to 6 ¹/₂ per cent per annum. The difference in annual interest on a deposit of $4000 is

If ƒ : x → x² + 1, then ƒ(-3) is

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

Powders react faster than lumps because they have:

Which one of the following is NOT a receptor in the body?

Instructions: Choose from the four suggested answers the word which is closest to OPPOSITE in meaning to the underlined word.

We found her appreciative of the help that we had given to her on this matter.

In humans, an egg cell is released from an ovary approximately every:

Which of the following is NOT recorded in the General Journal?

All of these materials are used in a blast furnace EXCEPT for:

In the circle above, the circumference is 10 cm. The length of the arc AB, in centimetres, is

The following are all minerals EXCEPT for:

A plastic that softens every time it is heated is said to be:

When rotated through 90° about the origin in a clockwise direction, the image of the point (3, 1) is

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

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