Brainteaser - Ripple Effect
Ripple Effect
Math
Reported at: 1 firmGoldman Sachs
x xxxxx xx xxxxxx xxxx x xxxx, xxxxxxxx x xxxxxxxx xxxxxx xxxx xxxxxxx xx x xxxx xx x xxxx xxx xxxxxx. xxxxx xx xxxxxxx, xxxx xx xxx xxxx xx xxxxx xxx xxxx xx xxx xxxxxx xx xxxxxxxxxx?
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