exam
Maths Puzzle
Numerical Ability
(2t^2+t)^2-4(2t^2+t)+3=0
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exam Other Question
A rectangular parking lot has a length of 3 yards greater than the width. The area of the parking lot is 180 square yards. Find the length and the width.
Permuation n! / (n-r)! or Combination n! / (n-r)! r!
Using one of the above can you help me solve:
A tv/stereo store has 12 differrent big-screen tv's and 8 stereo syste