A) Deborah Meaden B) Kirstie Allsopp C) Karren Brady D) Cherie Lunghi Q3) Which former chairman of the Federal Reserve has Joe Biden picked as Treasury Secretary? A) Jerome Powell B) Larry Summers C) Mark Carney D) Janet Yellen The world’s richest person is Amazon founder Jeff Bezos, followed by French tycoon Bernard Arnault, Tesla boss Elon Musk, Microsoft founder Bill Gates and who? Q4) Who stepped down as director general of the CBI in November? A) Carolyn Fairbairn B) Jeff Fairburn C) John Allan D) Sir Roger Carr Q5) Who founded commodity trader Glencore in 1974? A) Ivan Glasenberg B) Marc Rich C) Ian Taylor D) Ralph Oppenheimer