563, 647, 479, 815, (.....)
563, 647, 479, 815, (.....)
A672
B386
C279
D143
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563, 647, 479, 815, (.....)
Sachin Khr ? Nov 18 '2016 at 21:29
Answer is: 143
The sequense is based on the following pattern
\(647 = 563+84\)
\(479 = 647 - (2 * 84)\)
\(815 = 479 -(2^2 * 84)\)
\(? = 815 -(2^3 * 84)\)
.'. Missing number = 815 - (8 * 84) = 815 - 672 = 143.
Answer is: 143
The sequense is based on the following pattern
\(647 = 563+84\)
\(479 = 647 - (2 * 84)\)
\(815 = 479 -(2^2 * 84)\)
\(? = 815 -(2^3 * 84)\)
.'. Missing number = 815 - (8 * 84) = 815 - 672 = 143.
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