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My car has several faults, each of which is caused by one single action. When I turn on
the engine, open the door and close the sunroof, there is a clank and a bang. When I
open the door, wind down the window and change gear, there is a twang and a rattle.
When I close the sunroof, open the glove compartment and change gear, there is a
twang and a clank.
If I open the door, turn on the engine and open the glove compartment, what will I hear?
a. a twang
b. a clank and a bang
c. a bang
d. a bang and a rattle
e. nothing
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Let E = turn on the engine
Let D = open the door
Let S = close the sunroof
Let W = wind down the window
Let G = change gear
Let Gl = open the glove compartment
Let C = clank
Let B = bang
Let T = twang
Let R = rattle
Equation 1: E + D + S = C + B
Equation 2: D + W + G = T + R
Equation 3: S + Gl + G = T + C
From equations 1 - 2, we know that D = nothing From equations 2 - 3, we know that G = T From equations 1 - 3, we know that S = C
After simplification, we are left with:
Equation 1: E = B
Equation 2: W = R
Equation 3: Gl = nothing
Therefore, D + E + Gl = nothing + B + nothing
Archived Topic
Hi there,
This topic has been closed and archived due to inactivity or violation of community quality standards. No more replies are possible here.
Still interested in this question? Check out the "Best Topics" block above for a better discussion on this exact question, as well as several more related questions.