Probability
Consumer Arithmetic
Indices
Scientific Notation
Harry Potter
100
If a day of the week is choosen at random, what is the probability of choosing Monday?
1/7
100
If Harry earns $12.00 an hour, how much would he get paid for 12 hours work?
$144.00
100
Simplify y x y x f x f x f
y^2 f^3
100
Write 51000 in scientifc notation.
5.1 x 10^4
100
What is the first names of Harry's two best friends?
Ron and Hermione
200
List the sample space of tossing two coins.
(Heads, Heads), (Tails, Tails) and (Heads, Tails).
200
If Ginny earns a salary of $133,341 p.a., what is her weekly wage? (1 year = 52 weeks)
$2564.25
200
Simplify 72a^9b^10/ 6a^2b^4
12a^7b^6
200
Write 300567 in scientific notation and correct to 3 significant figures
3.01 x 10^5
200
Who killed Harry Potter's parents?
Voldermort
300
In a deck of standard playing cards, are an ace and a red card mutually exclusive?
No
300
George's annual gross pay is $33800. If he pays $3329 annual taxes, $858 annual union fees and $3600 superannuation, what is his annual net pay?
$26013
300
Rewrite 9c^-15 with positive indicies
9/c^15
300
Express in scientific notation the number of grams in 6 tonnes
6 x 10^6
300
In Harry Potter, what is a person called who is incapable of magical abilities?
A Muggle
400
If all Draco's previous attempts at a potions quiz where above 60%, what is the experimental probability that when he resits the quiz, his results will be lower than 60%?
0
400
Luna buys a used car for $7500, it depreciates 8% per year. How much will the car be worth after 4 years?
$5372.95
400
Factorise the following algebraic expression, 4b^3 - 6ab^2
2b^2(2bc^2 - 3a)
400
Simplify (6.3 x 10^2) x (2.4 x 10^3), giving your answer in scientific notation
1.512 x 10^2
400
Who created the main ingredient in the Elizir of Life?
Nicholas Flamel
500
How many times must a single dice be thrown so there is a better than 95% chance of rolling at least one 6?
At least 17 times.
500
Neville invests $3260 for seven years. At the end of the seven years, the investment is worth $5200. At what simple interest rate was Neville's money invested?
8.5%
500
Expand and simplify 6x(2x - 3) - (x - 1)
12x^2 - 19x + 1
500
Light travels at approximately 300,000 km/s. Find the distance travelled in an hour and express in scentific notation.
1.08 x 10^9 km
500
What potion will make you spill your darkest secrets with only a few drops?
Veritaserum
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