exam
Maths Puzzle
Numerical Ability
If 5 apples in a barrel of 25 apples are rotten, what is the expected number of rotten apples in a random sample of 2 apples?
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exam Other Question
2.5x-7.5+1.7x=10.8x+16.2
i have a test tomorrow and im strugling can u help solve this question on my review
7n+2[3(l-n)-2(1+n)=14
another question is -10+4(3p+10)=18
one more is 66=-6/5(s+3)