[Answer] 2. Which of these Jacks was born in 1876 in California, originally with the last name of Chaney, and published his first short story at the age of 21?

Step 1 : Introduction to the question "2. Which of these Jacks was born in 1876 in California, originally with the last name of Chaney, and published his first short story at the age of 21?"

...1. Jack London 2. Jack Kevorkian 3. Jack Daniel 4. Jack Palance Jack London lived from 1876 until 1916 and is famous for his novels of the Klondike gold rush, "Call of the Wild" and "White Fang", among other writings. Born John Griffith Chaney, his biological father (astrologist William Chaney) refused to acknowledge that Jack was his son. That disclamation prompted Jack to go to the Klondike. Jack Daniel (founder of Jack Daniel's Tennessee Whiskey distillery) lived from 1846 to 1911. His full name was Jasper Newton "Jack" Daniel. Jack Kevorkian lived from 1928 until 2011, and was famous for his support of euthanasia. In 1999, Kevorkian served eight years of a prison sentence for second-degree murder before being released on parole. Jack Palance was an American actor who lived from 1919 to 2006. He was well-known for his roles in such movies as "Sudden Fear", "Shane", and "City Slickers", the latter winning him an Oscar for Best Supporting Actor.

[Answer] 7. Male kangaroos are called boomers, jacks or old men - and what other name which is a common currency term?

Step 1 : Introduction to the question "7. Male kangaroos are called boomers, jacks or old men - and what other name which is a common currency term?"

...1. Shillings 2. Pennies 3. Bucks 4. Pounds And the female of the species are either called does, flyers or jills. Baby kangaroos are called joeys. A group of kangaroos is referred to as a mob, troop or court.