GCD/LCM
What is the GCD of 75, 45 and 60?
15
What is the square root of 324?
18
What's the 5th number in this pattern?
18, 27, 36, ...
54
What is a seven-sided polygon called?
Heptagon (or Septagon)
Evaluate this algebraic expression, if x = 15:
6x + 10 - 2x + 5
75
A man smiles at his beautiful wife every 3 seconds while the wife smiles back at him every 6 seconds. When will both husband and wife smile at each other at the same time?
After 6 seconds
A rectangular tank of 40 cm by 30 cm by 20 cm is filled with water from a tap that flows at a rate of 4 litres per minute. How long will it take to be half full?
3 minutes
What is the nth term formula for this sequence?
14, 16, 18, ...
2n + 12
Which solid shape would have 6 faces, 12 edges and 8 vertices?
Cube or Cuboid
I have four sides. My opposite sides are parallel and equal, but they are not all the same length. I don't have any right angles.
What shape am I?
A parallelogram
How many prime numbers are there from 0 to 120?
Volume of a cuboid is 261 cm3. Height is 3 cm. Breadth is 6 cm. Find the length.
14.5 cm
What is the nth term formula for this sequence?
-7, -13, -19, ...
-6n - 1
I have 2 faces and one vertex. Which solid shape am I?
Cone
Lisa bought 5 books from a bookstore. The average price of 2 of the books is $5.20. The average price of the rest of the books is $4.80. Find the total amount of money Lisa paid for the 5 books.
Lisa paid $24.80
3 pigs entered a race around a track. Piggly takes 6 minutes to run one lap. Piglet takes 3 minutes to run one lap, and it takes Wiggly 5 minutes to run one lap. If all three pigs begin the race at the same time, how many minutes will it take for all three pigs to be at the starting point again?
30 minutes
What is the cube root of 50,653?
37
Find the 25th term in this sequence.
5, 2, -1, -4, ...
-3n + 8 = -67
Come up to the board and draw the net of a square-based pyramid.
All points for accurate net.
You have 7 paintings you would like to display in a row on your wall. How many different ways can you order the paintings?
5040 different ways
A businessman goes to Singapore every 18 days, for one day only, and another businessman goes every 24 days, also for one day only. Tomorrow, both men are in Singapore. What actual date will both businessmen be again in Singapore on the same day?
May 24th 2021
A fish tank is 2/3 full of water. It's base area is 500 cm2. Find the height of the tank if there is 8 litres of water in it.
24 cm
Find the 555th for this sequence.
-13, -21, -29, ...
-8n - 5 = -4445
What is the proper name for a triangular pyramid?
Tetrahedron
The speed of light is approximately 300,000 km/s. How many kilometres is Mars from the Sun, if it takes light 12 minutes and 40 seconds to reach it?
228,000,000 km