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Math help !

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Ghost Of Highbury:
Hello all..
i'm stuck in 2008 oct/nov math paper 4 q 9)a)

i am not able to fin "r"
plz find attached paper
thank you

Ghost Of Highbury:
is anyone dere??

astarmathsandphysics:
Am not home until late. He someone else tries good

X Abdulrahman X:
notice at the top is says "100 students"

if u get p and q, u add up all the numbers inside the circles which should add up to 99, add 1 lonely guy left  :P

Enia:
for p you have to add 12+17+8 you get 37. subtract that from 42 (because they said 42 students like swimming)

Then they said 40 people like only ONE sport that means you add 20+8 (28) and subtract from 40

for r add everything in the circles (u get 99) than means only one person doesn't like any sports.

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