General Knowledge & Riddles
How many continents are there on Earth?
7
What is the square root of 81?
9
What is H₂O commonly known as?
Water
What sport uses a racket and a yellow ball?
Tennis
How many emirates are in the UAE?
7
Which explorer reached the Americas in 1492?
Christopher Columbus
What is the value of 5² − 3²?
16
What is the center of an atom called?
Nucleus
What is the biggest international football tournament?
The FIFA World Cup
What is the traditional dress worn by Emirati men?
The Kandura
What is the hardest natural substance on Earth?
Diamond
What is the value of 3³ + 4³?
91
What is the atomic number of carbon?
6
Which country hosts Wimbledon?
On which date was the UAE officially formed?
December 2, 1971
Who invented the telephone?
Alexander Graham Bell
What is the integral of 2x dx?
x² + C
what are the first 7 digits of pi
3.141592
Which NBA team has the most championships?
The Boston Celtics
What UAE traditional dance is performed at celebrations?
Al Ayyala
How many bones are in the adult human body?
206
Solve: x² − 4x + 4 = 0
x = 2
What is the SI unit of electric charge?
Coulomb (C)
Who has won the most Grand Slams (men’s tennis)?
Novak Djokovic
What is the name of the UAE’s Mars spacecraft?
Hope Probe