Let
A={1,2,3,4},B={3,4,5}
Find A∩B.
{3,4}
What is the largest ocean on Earth?
The Pacific Ocean
What sport is played at Wimbledon?
Tennis
What does “WWW” stand for?
World Wide Web
The more you take, the more you leave behind. Travelers know me well.
What am I ?
Footsteps
Solve:
∣x−3∣=5
x=8 or x=−2
What is the largest desert in the world?
Antarctica
In volleyball, how many times can a team touch the ball before sending it over the net?
3
What part of the computer is known as the “brain”?
CPU (Central Processing Unit)
I am not alive, yet I grow; I have no lungs, yet I need air; I have no mouth, yet water kills me.
What am I ?
Fire
Solve:
∣2x−1∣ ≤ 5
−2 ≤ x ≤ 3
What is the main language spoken in Brazil?
Portuguese
How many players are on a rugby union team?
15
What does “USB” stand for?
Universal Serial Bus
I am always in front of you but can never be seen. No matter how fast you run, you won’t catch me.
What am I?
The Future
Given vectors
Vect u(2,−1), vect v(1,3)
Find the coordinates of Vect u + 2 x Vect v
(4 , 5 )
What is the hardest natural substance on Earth?
Diamond
How long is an Olympic swimming pool?
50 meters
What programming language is mainly used for web pages?
HTML (CSS / JavaScript accepted)
I exist only when you take me away. I vanish the moment you name me.
What am I?
silence
Write the next three terms of the Fibonacci sequence:
0,1, 1, 2, 3, 5,........…
8 , 13 , 21
What is the study of earthquakes called?
Seismology
What sport uses terms like birdie and eagle?
Golf
A message is encrypted using the rule:
Encrypted letter = (Letter position x 2) +3 Mod 26
where A = 0, B = 1, …, Z = 25.
Decode the encrypted message:
“JH"
"DC"
I have cities with no people, rivers with no water, and mountains with no stone.
What am I?
A map