exam
Maths Puzzle
Numerical Ability
In(x+2)=2
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exam Other Question
This is from a worksheet: In a chemistry class, 6 liters of a 4% silver iodide solution must be mixed with a 10% solution to get a 6% solution. How many liters of the 10% solution is needed?
Write each of these numbers as the sum and/or difference of at most three square numbers. Some can be written in more than one way.
1. 65
2. 5