Known answer: no
Now, what could be the question and solution? Is helium the cause of the Hindenburg explosion?
The Hindenburgh was filled with hydrogen. Helium is considered a noble, inert gas that doesn't react. Hydrogen is highly flammable.

Known answer: yes
Now, what could be the question and solution? Was being a mail carrier considered one of the most dangerous jobs?
The Pony Express was one of the first mail carrier services. The Pony Express operated form 1860 to 1861. Pony Express riders would have to travel hundreds of miles on horse back through extreme weather and terrain. The Pony Express sought to hire young expert horse riders willing to risk death.

Known answer: no
Now, what could be the question and solution? Would a teacher still have their job if they called a black student an ape?
'Ape' and 'monkey' are words that have been used in a derogatory manner against black people. Teachers are held to a level of professionalism and cannot act in an abusive way towards children.

Known answer: no
Now, what could be the question and solution?
Is 1936 Summer Olympics venue too small for a Superbowl crowd?
The 1936 Summer Olympics was held at the Olympiastadion Berlin. The Olympiastadion Berlin has a capacity of over 74,000 people. The 2020 Superbowl was attended by 62,417 fans.