10 December

👉🏼Find y in the diagram below:

👈🏼The pie chart below shows information about the languages studied in a school.
There are 648 students in the school.
Each student studies one language.
How many more students study Chinese
than French?

Masha asked 40 people which drink they
liked from hot chocolate, tea and coffee.
39 people liked at least one of the drinks
8 people liked all three drinks
3 people liked tea and hot chocolate but not
29 people liked coffee or hot chocolate (or
34 people liked tea or coffee (or both).
18 people liked hot chocolate.
2 people liked only coffee.
Masha picks one person at random from the
40 people.

👆🏼Work out the probability that this person
likes tea.

👇🏼Given that the person selected likes tea,
find the probability that this person likes
both coffee and hot chocolate.

🖐🏼Prove that the product of two odd numbers is always odd.

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