exam
Maths Puzzle
Numerical Ability
How do you factor r5k2*-27k-7 ?
*the 2 is an exponent
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exam Other Question
If 800ml of a juice drink is 15% grape juice, how much grape juice should be added to make a drink that is 20% grape juice?
The sum of the squares of two consecutive positive integers is 340.
Find the integers.