Leave your answer to the riddle in the comments section.
In the picture you will see the cars or VW Beetles in different colors representing certain numbers.
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Let us represent the cars with letters to make it easy to solve.
Let’s us assume the following;
B = Blue car
R = Red Car &
G = Green car.
So we can convert the equations as;
B + B + B = 18 —-(1)
R + R + R = 9 —-(2)
G x G – G = 6 —-(3)
B X R – G = ? —-(4)
From (1)
B + B + B = 18
3B = 18
Therefore;
B = 6
From (2)
R + R + R = 9
3R = 9
Therefore;
R = 3
From (3)
In case of (3) you can use the trial and error method to get the value of G;
I could figure out 2 numbers that can take the value of G in the equation.
G can be 3 or -2
So let’s put both the values in the equation (4) and find the value of the missing number.
B X R – G = ?
6 X 3 – 3 = 18 – 3 = 15
&
6 x 3 -(-2) = 18 + 2 = 20
So the 2 possible answers are 15, 20.
15