Surds
Simplify √36
6
Find the area of a sector with an angle of 320' and radius of 2 cm. Answer correct to 2dp
10.82
a3 x a4
a7
I am a number, but when you add ‘G’ to me, I go away. What number am I?
One
Which country invented French fries?
Belgium
Simplify √128
8√2
what is 5.6 L in cm3
5600
(a5/a7)0
1
A group of people collects $529. If each person contributes an amount in dollars equal to the total number of people in the group, how many people are in the group?
23 x 23 = 529
What’s the only even prime number?
2
Simplify 4√6 + 3√2 - 3√6 + 2√2
√6 + 5√2
A cube has a volume of 125 cm3. What is the surface area of the cube?
150 cm2
(a3)7 / a4
a17
Three animals—an elephant, a lion, and a monkey—are weighed in pairs on a scale:
The elephant and the 2 crocodiles together weigh 1,200 kg.
The 2 crocodiles and 4 monkeys together weigh 400 kg.
The elephant and 4 monkeys together weigh 1,000 kg.
What is the individual weight of each animal?
Elephant’s weight: 900 kg,
Crocodile’s weight: 150 kg,
Monkey’s weight: 25 kg
Which mammal lays eggs?
Platypus
Simplify √3(3√5 - √6)
3√15 - 3√2
What is the formula for surface area of a cone?
pi x r^2 + pi r s
(3a2/a5)-3
a9/27
Using only addition, combine eight 8s to make the number 1,000.
8 + 8 + 8 + 88 + 888 = 1000
What is the only letter that doesn't occur in any US state
Q
Simplify 2√5 - 3√20 + 6√45
14√5
What is the next prime after 97?
101
(p2q)4/5p-3q3 x (p-2/q3)3
p5/5q8
A train leaves the station at 15:00, traveling at 240 kph. Another train leaves the same station at 16:00, traveling at 360 kph. When will the second train catch up?
At 18:00. (They’ll meet after 2 hours)
What is the only flag that does not have four sides?
Nepal