CRUNCH THE NUMBERS
GENERAL KNOWLEDGE
WHO KNOWS?
MATH MAYHEM
BRAIN BUSTERS
25
Which character is this?
Tom
25
What is the only even prime number?
The answer is 2
25
What is the next number: 3, 6, 12, 24, 48, ___?
The answer is:96
25
A clock shows 3:00. What is the angle between the hour and minute hands?
Answer:
90 degrees
25
I follow you all the time and copy your every move, but you can’t touch me or catch me. What am I?
Answer:
your shadow
50
if f(x)=x2+3x, what is f(2)?
Answer:
10
50
What is the value of pi to 2 decimal places?
3.14
50
A farmer has 17 sheep. All but 9 run away. How many are left?
Answer:
9 sheeps
50
A delivery company has 5 trucks.Each truck makes 6 trips per day,carrying 40 packages per trip.How many packages can they deliver in one day?
Answer:
1200 packages
50
If you pass the person in last place, what place are you in?
Answer:
You cant pass a person in last place
100
What colour does red and blue make?
purple
100
How many sides does a dodecagon have?
12
100
I am a two-digit number. My digits add to 9 and their difference is 3. What am I?
Answer:
63 or 36
100
A 50 kg object is lifted vertically through 8 m. Using g=9.8 m/s2 .Calculate the work done against gravity( in J)
Hint:
N=mass*gravity
W=N*Length
Answer: 3920 J
100
What is the only number that is neither positive nor negative?
Answer:
zero
200
What is the name of the horizontal axis on a graph?
Answer:
x-axis
200
What is the Roman numeral for 6?
the answer is: VI
200
Which character is this?
Olaf
200
What is the derivative of x3+2x?
Where: d/dx(xn)=nxn-1
Answer:
3x2+2
200
You have 6 eggs. You break 2, cook 2 and eat 2. How many eggs are left?
Answer:
4 eggs
300
What is the value of (2+i)(2-i)?
the answer is 5
300
I am the form of a complex number written using its modulus and argument. What am I?
The answer is polar form
300
Find the area of a circle with radius 7cm. use pi=22/7
Answer:
154cm2
300
A rectangular garden has a length of 12 m and a width of 8 m.
a) Find the area of the garden.
b) Find the perimeter of the garden.
c) If fencing costs $500 per metre, how much will it cost to completely fence the
Answer:
96m2
40m
$20,000
300
You see a boat filled with people, yet there isn’t a single person on board. How is that possible?
Answer:
All the people on the boat are married
400
Finish this statement:
"_____________ is a number that's equal to the sum of its proper divisors."
Answer:
A perfect number
400
How many bones are there in the average, adult human body?
206
400
A warehouse has 5,000 items. On Monday, 18% are shipped. On Tuesday, 25% of the remaining items are shipped. How many items remain?
Answer:
3,075 items
400
Calculate:
∫ (3x² + 4x) dx
💡 HINT: Integrate each term separately. Use the power rule:
∫xⁿ dx = xⁿ⁺¹/(n+1) + C
Don't forget to simplify your answer!
Answer:
x³ + 2x² + C
400
Which is heavier: a ton of bricks or a ton of feathers?
Answer:
Neither—they both weigh a ton
500
MATH QUOTE FOR THE WEEK:
The sum of the first n odd numbers is always equal to n²
Prove this statement using the first 3 odd numbers(1,3,5)--->3 calculations shown
Answer:
1=12
1+3=22
1+3+5=32
500
What famous mathematical constant is approximately 2.718?
e
500
What is the mathematical name for a number that can be written as a fraction of two integers?
Answer:
Rational number
500
FREE CASH POINTS
What is the only number that has the same number of letters as its value?
Answer:
Four
500
Forward I am heavy, but backward I am not. What am I?
Answer:
not--ton