Professor Erno Rubik created the Rubik's cube to teach his architecture students about 3D geometry.

• True

• False

Mats Valk holds the world record for solving the Rubik's cube with a time of 5.55 minutes.

• True

• False

The Quinceañera celebration happens when a boy turns fifteen.

• True

• False

In Hamar culture, young men must jump over fifteen cows after they get married.

• True

• False

What was the main challenge of the Rubik's cube?

• Making each side of the cube all one colour

• Matching the cube's color patterns

• Solving it in under a minute

Who currently holds the human world record for solving the Rubik's cube?

• Professor Erno Rubik

• Mats Valk

• A robot

What did the Illinois University study suggest about video games for elderly adults?

• Video games improved mental health and memory

• Video games caused memory loss in older adults

• Video games had no effect on memory

What is the opposite of 'decrease' as used in the text?

• Increase

• Decline

• Drop

What does the word 'symbolizes' mean in the sentence: 'The waltz between the teenage girl and her father symbolizes her coming of age'?

• Destroys

• Represents

• Denies

What is the main economic activity of the Hamar tribe in southern Ethiopia?

• Traditional farming

• Modern fishing

• Traditional trading