Brain Teasers
What has cities, but no houses; forests, but no trees; and water, but no fish?
A map.
What is 7 x 9?
63.
In what year did the World Health Organization declare COVID-19 a global pandemic?
2020.
What is the capital of Japan?
Tokyo.
Which is correct: “Less people” or “Fewer people”?
Fewer people.
No matter how little or how much you use me, you change me every month. What am I?
A calendar.
What is 3 cubed (3³)?
27.
What is the chemical symbol for water?
H₂O.
Name the largest ocean in the world?
The Pacific Ocean.
Identify the error: “Each of the students have submitted their assignments.”
It should be “Each of the students has submitted their assignment.”
I have keys but no locks. I have space but no room. You can enter but can’t go outside. What am I?
A keyboard.
A triangle has angles of 90° and 45°. What’s the third angle?
45°.
Who founded Microsoft?
Bill Gates.
Which desert is the largest hot desert in the world?
The Sahara Desert.
What's the difference between “who” and “whom” in a sentence?
“Who” is the subject, “whom” is the object.
What comes once in a minute, twice in a moment, but never in a thousand years?
The letter M.
If a shirt costs $20 and is 25% off, how much is the discount?
$5.
What’s the name of the largest planet in our solar system?
Jupiter.
Which is the longest river in the world by total length, according to most recent data?
The Nile River.
What is the passive voice of: “The professor gave the students homework.”?
Homework was given to the students by the professor.
What goes up but never comes down?
Your age.
A laptop costs 450 BHD. During a sale, it’s marked 15% off. A 7% tax is applied after the discount. What is the final price in BHD?
1: 15% of 450 = 67.5 → Discounted price = 450 − 67.5 = 382.5
2: 7% of 382.5 = 26.78 → Final price = 382.5 + 26.78 = 409.28 BHD
Name the continents?
Asia, Africa, Europe, North America, South America, Australia and Antarctica.
Which country has the most neighbors (shares land borders with the most countries)?
Russia (16 land borders).
What is the difference between “affect” and “effect”?
“Affect” is usually a verb (to influence), “effect” is usually a noun (a result).