Free Practice Question
PS · Problem Solving
605-655
Algebra
What is the value of the expression below:
1*2*3 + 2*3*4 + 3*4*5 + 4*5*6 + 5*6*7 + 6*7*8 + 7*8*9 + 8*9*10 + 9*10*11 + 10*11*12 ?
Answer Choices
Correct answer marked belowA
2,680
B
3,680
4,290
Correct
D
5,720
E
6,170
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What it tests
Your ability to manipulate linear and quadratic expressions, substitute unknowns, and solve equations under time pressure.
Common trap
Losing a sign when moving terms across the equals sign, or dividing both sides by a variable that could equal zero.
Details
Difficulty
605-655
Type
PS
Category