Blä
You have 10 coloured pencils in your pencilcase. If you pick one at random, what is the probability of getting your favourite?
1/10 or 10%
There are 12 boys and 20 girls in a class. What is the ratio girls to boys?
20:12 (simplified 5:3)
If you have 5000 labelled marbles, what is the chance of rolling number 5001?
0%
How many possible outcomes are there to land on either heads or tails when flipping a coin?
2 outcomes
You roll a 6 sided die. What is the probability of landing a number higher than 4?
2/6 = 1/3 =33%
In a gumball machine, there are five red gums, four blue gums and one pink gum. What is the probability of getting the pin gum?
1/10 or 10%
You walk in on a year 5 class of 30 students having a lesson. whats the ratio of people over 15yrs old and people under 15yrs old? ( In normal cases)
1:30 1 teacher and 30 student
if you have 10 marbles, 3 are pink 5 are beige and 2 are tuorqoise. What percentage of the marbles are beige?
50%
How likely is it that Mr.Van Winckel turns 31 this year?
Likely
You roll two dice and add up the numbers. What is the probability that the sum will be 3?
2/36 = 1/18
In a herd of wild Icelandic horses, ten are grey, five are black and five are brown. What is the probability of a black horse taking the lead?
1/4 or 25%
You have a box of chocolate, your siblings ate all of them yesterday day. There was a strawberry chocolate and a dark chocolate and 3 milk chocolates. Whats the probability of you picking a milk chocolate?
0% there are no chocolates left
If William has 12 cars, 5 blue cars, 3 red cars, 3 yellow cars and 1 green car. He picks one of his cars at random. What is the percentage that he picks a red car?
25%
Leo eats breakfast 4 times every 5 days.The one day Leo does not eat breakfast he only drinks milk.What is the probability that Leo drinks milk ,instead of eating breakfast,4 times this month if he continues like this?
Certain.
You flip two coins. What are the possible outcomes?
heads / heads
tails / tails
tails / heads
heads / tails
You compete in a competition where you can win a rabbit as a pet. There are 3 white rabbits, 5 black rabbits, 2 brown rabbits, 1 grey rabbit and 1 beige rabbit. Is the chance bigger of getting:
A: Black or Beige
OR
B: White, Brown or grey
The probability is the same, 50% to 50%
Bella dropped her bookmark, what is the probability that if she opens her book randomly that she opens it on the right page if its 246 pages?
2/246
Niclas has 24 turtles in his aquarium. 6 of them are girls and 18 of them are boys. If Niclas picks a random turtle, what is the chance that it will be a girl?
6/24, 1/4, 0,25
In a reality TV-show 6 of the participants were boys.The ratio of Boys to girls in the beginning was 1:2.But,4 girls were eliminated.How many girls are there now?
8 girls.
30% of candies is a bag are liquorice.
The other candies in the bag are gummibears, of which there are 35. How many candies are in the bag in total?
35 gummibears = 70%
so the percentage is double of the amount.
30% = 15 liquorice
total = 35+15= 50
You have a hat with ticket numbers from 1 to 30. What are the odds you pick a number that is either greater than 20, or is an even number?
20/30 or 2/3 or 66%
It's the middle of July in Sweden and its really hot outside (36 °C).What is the probability of you going to school sweating?
0% There is no school in the summer.
William eats 4 Billys pan pizza every day, he drinks 2 1/2 glasses of water for every pizza. How much water does he drink in 2 weeks?
112 glasses of water
If there is a bag with 3 red candies,5 green candies,8 blue candies and 4 yellow candies, what is the probability of picking a red or yellow candy?
35% 7/20
In a room with 120 people, 30% has blond hair. Ten people have red hair. There is 150% more people with brown hair than blond. The rest has black hair.
What is the simplified ratio of
blond : brown: red : black
30% of 120 = 36 blond
150% of 36= 54 brown
6 red
120-36-54-6= 24 black
36:54:6:24 = 6:9:1:4