Every Friday you can find it at this address: www.bbc.co.uk/sevendaysquiz.

Boy, has it been a week for trousers! But whose legwear led people to suspect a hip replacement operation had taken place?

A: Tony Blair B: Jennifer Aniston C: Her Majesty the Queen D: Britney Spears

"Poor people need a bargain. Wealthy people appreciate one." Whose homespun wisdom?

A: Sir Ken Morrison, supermarket boss, on trying to buy Safeway B: Julie Pankhurst, Friends Reunited co-boss, on trying to sell her site C: Italian store-owner Marco Pizzi, who allows shoppers suspicious that euro prices are higher to pay in lire

"I must have the best job in Britain." Who's happy with their lot?

A: "Will Windsor" � believed to be Prince William � using Friends Reunited to keep his Old Etonian mates up-to-date B: The organiser of a naked anti-war march in East Sussex C: Page 3 photographer Beverley Goodway

Everyone now knows the country's most common names for babies are Jack and Chloe. But some uncommon ones have been uncovered by statisticians. Which of these is the most popular?

A: Osama B: Darius C: Romeo

"I'm planning to get more _________. I want to make a lot of ________."So said celeb chef Jamie Oliver. But can you fill in the gaps?

A: wonga and adverts B: okra and gumbo chicken C: political and noise

"I always thought he'd end up as an accountant," said a startled teacher about which pupil's rise?

A: Seb Clover, 15, who took a break from school to sail alone across the Atlantic B: Mike Skinner, aka garage poet The Streets, who has scooped four Brit Award nominations C: Harry Potter - leaked excerpts reveal the dreadful Dursleys have a spell of their own in store for their magical charge

It should be no surprise that cities mired in turmoil ranked lowest in a cost of living survey. Put these in order, lowest first:

A: Caracas, Harare, Buenos Aires B: Harare, Caracas, Buenos Aires C: Harare, Buenos Aires, Caracas

It's the Seven Days Seven Questions bonus question.

The rules are simple. We give you the answer, you tell us the question. (Entries have now closed.)

The answer is: "About the size of France."

Wrong questions included:

A forest of what size would be required to produce enough paper to print a single copy of Harry Potter and the Order of the Phoenix?
Tom McKinney, UK

What is the next step up from Wales in the international system of area measurement?
Martin McQuaid, United Kingdom

If you ironed Switzerland, how big would it be?
Jim Allen, Scotland

What is the monograph From Lille To Biarritz about?
James Cordwell, UK

What's this week's question about then?
John Wilson, UK

"L'Etat - c'est moi!" How big was Louis XIV's head?
Mungo Carstairs, Scotland

All wrong. The correct question was identified by John O'Shea, UK. "The UN weapons team have to search Iraq. They have 8 helicopters. How big an area do they have to search?" Another bonus question next week.