After 12-year-old Burford School pupil Ophelia Spracklen was declared a genius having scored an IQ of 157, we thought we'd put our readers to the test.

Below are a selection of official Mensa test questions.

Can you solve them? Answers are at the bottom of the article.

1. What number is missing from this sequence?

2 4 3 9 4 ? 5 25 6 36 Answer:

2. Which three letter word can be attached to the beginning of the following words to form five longer words?

FOOD FRONT LED SIDE SON

3. Rearrange the letters of ‘IT IS CLEAR’ to give a nine letter word with an associated meaning. What is it?

4. Which two letter word can be placed in the centre of each of the following words to form a longer word in each case?

DOES CORNED GOWN OUTING

5. If AE = 4 and GN = 7 what does OW = ?

6. What letter should appear next in this sequence?

Z X C V ?

Answers:

1. 16. The numbers 2, 3, 4, 5 and 6 are squared.

2. Sea

3. Realistic

4. Do to give dodoes, cordoned, godown and outdoing

5. 8. The number is the amount of alphabetical places between the first and second letter

6. B. These letters appear from left to right on the bottom row of a keyboard