exam Maths Puzzle Numerical Ability

I'm sorry that I don't have the ISBN. My book is at school. The question is: The sum of two numbers is 29. THe difference between the same two numbers is 17. Use a table to fin

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exam Other Question
The difference of three times the third and two times the second odd integer is 20 less than five times the first odd integer if x is the 1st odd integer. What are the three odd integers?
 (2X^3Y^-2)^2 / 8X-3Y^2