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Question

A list of 8 numbers is formed by beginning with two given numbers. Each new number in the list is the product of the two previous numbers. Find the first number if the last three are shown: 3 mm?3 mm1 mm,1 mm 7 mm1 mm,1 mm 7 mm1 mm,1 mm 7 mm1 mm,1 mm 7 mm1 mm,1 mm2 mm162 mm1 mm,1 mm2 mm642 mm1 mm,1 mm1 mm10241 mm

Accepted Answer

If we do 64/16 we get 4, then we do 16/4 giving 4 again, then 4/4 is 1 and 4/1 is 4 and finally 1/4 gives 1/4 as the answer, which is 14