Q. Which of the following company introduced for the first time Traveller Cheques in the form of ‘circular notes’? 
Answer: Thomas Cook
Notes: The correct answer is Thomas Cook. Thomas Cook, a British pioneer in the travel industry, introduced the first traveler's cheques in 1860. These were circular notes designed to provide a safe and convenient way for travelers to carry money abroad, reducing the risk of theft and loss. This innovation importantly influenced modern travel finance, leading to the widespread use of traveler's cheques by various financial institutions, including American Express and others.