Challenging Knowledge Quiz
Question 1 of 10
What is the square root of 144?
Question 2 of 10
Which country is home to the Kalahari Desert?
Question 3 of 10
What natural material is ranked as the softest on the Mohs scale?
Question 4 of 10
In Greek mythology, which god rules the underworld?
Question 5 of 10
Which painter is known for “The Starry Night”?
Question 6 of 10
What gas do humans exhale that plants use to grow?
Question 7 of 10
What is the official language of Argentina?
Question 8 of 10
Which scientist famously said “E=mc²”?
Question 9 of 10
Which organ in the human body produces bile?
Question 10 of 10
What is the value of 22 divided by 7 rounded to two decimal places?