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Maths Puzzle
Numerical Ability
Suppoes the sum of the 151st and the 251st are of an arithmetic seuqence is 10. Find the sum of the first 401 terms in the sequence. Provide 3 examples.
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book Other Question
Solve for x in terms of y
x-2y=18
How would you answer that question?
8x/x+1=4-8/x+1