question: What is the answer: Which is the next triangular number in the sequence: 1, 3, 6, 10, 15, 21, .......?
answer: 28

question: What is the answer: Which is recognised as the most massive bacterium so far discovered, reaching up to .75mm in length and large enough to be visible to the naked eye?
answer: thiomargarita namibiensis

question: What is the answer: Bushmills, Jameson, Tullamore Dew, and Writers Tears are brands of what nation's what (two-word answer required)?
answer: irish whiskey

question: What is the answer: Which baby pram company, founded in 1877, provided the baby carriage to King George VI for Princess Elizabeth?
answer:
silver cross