QUESTIONS

Q : Who took the decision to scrap London’s trolleybuses? Steve Dunkin, London W11. Q : Is it true that IMF chief Christine Lagarde is exempt from paying income tax? If so, why? Are other IMF employees exempt? Sandra Davies, Truro, Cornwall. Q : In cricket players often throw the ball into the air instantly after making a catch. How long does the ball have to be held for it to be deemed a catch? Geoffrey Fitch, Pevensey, E. Sussex.