27Jan/102
A Problem of Family Relations
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Mathematical Puzzle
Apply your calculative skills to find out the answer to this maths puzzle.
Every man or woman alive today had 2 parents, 4 grand-parents, 8 great-grand parents, 16 great-great-grand parents, 32 great, great, great grand parents and so on.
Let us take the case of Ram. Two generations ago Ran had 2 x 2 or 22, or 4 ancestors. Three generations ago he had 2 x 2 x 2 or 23 or 8 ancestors. For generations ago he had 2 x 2 x 2 x 2 or 24 or 16 ancestors.
Assuming that there are 20 years t o a generation, can you tell 400 years back how many ancestors did Ram have?
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August 9th, 2010 - 14:51
NO OF ANCESTORS WOULD BE 2^20=1048576
February 24th, 2010 - 13:50
since 400 years..so the no of generations would be 20:
den no of ancestors would be 2^20=45056