Insert the numbers listed into the circles so that - for any particular circle - the sum of the numbers in the circles connected to its equals the value corresponding to that circled number in the list. for example:

What number should replace the question mark?

Which three of the four pieces below can be fitted together to form a perfect square?

Which two words are closest in meaning?
Secure, masticate, allow, gnaw, twist, mete

The top set of six numbers has a relationship to the set of six numbers below. The two sets of six boxes on the left have the same relationship as the two sets of six boxes on the right. Which set of numbers should therefore replace the question marks?

Which does not belong to the sequence?

Which number is the odd one out?
84129, 32418, 47632, 36119, 67626, 72927

Select two words that are synonyms, plus an antonym of these two synonyms, from the list of words below.
torment, contain, consider, console, assuage, scheme, fraternize

Which circle below should replace the question mark?

Each set of nine numbers relates to the other in a certain way. Work out the logic behind the numbers in the left-hand box in order to determine which number is missing from the right-hand box.

14:9 :: 26:?

Complete the equation by correctly identifying the missing part of the calculation from the list of options below.

535 : 7580 : 852
483 : 9642 : 716
723 : ? : 633

What number should logically replace the question mark?

In the two numerical sequences below, one number that appears in the top sequence should appear in the bottom sequence and vice versa. Which two numbers should be changed round?

2, 2.5, 4.5, 6.75

1, 3, 6.25, 15.625

23694 is to 64239
and 821543 is to 842135
therefore 72915638 is to ?

If 4 apples and 6 bananas cost £1.56 and 9 apples and 7 bananas cost £2.60, what is the cost of one apple and one banana?

A statue is being carved by a sculptor. The original piece of marble weighs 250 kg. In the first week 35% is cut away, in the second week 20% of the remainder is cut away and in the third week 25% is chiselled away and polished to produce the finished statue. What is the weight of the final statue?

Draw the contents of the middle tile in accordance with the rules of logic already established.

Out of 384 guests at a conference, a quarter took their coffee with sugar only, 5/8 took it with both milk and sugar, one out of every 16 guests took it with milk only and the rest took it black with neither milk nor sugar. How many guests took it black with neither milk nor sugar?

10, 10, 9, 7, 7, ?, 4, 4, 3, 1

What number should replace the question mark?