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CEREBRATE:SOLUTIONS FOR MARCH

by / Thursday, 31 March 2011 / Published in Uncategorized

1.ten weights will balance either 50 gold coins or 40 silver coins.since only 20 gold coins are used,that means the weight of 30 gold coins is to be used by the silver coins.the weights are in a 4 to 5 ratio, and 4/5 of 30=24.so,24 silver coins should be added to the 20 gold coins to balance the 10 weights

2.the next one is 46656.

Disregarding the number 1,these are the four consecutive lowest numbers that are both cubes and squares.

64                         729                          4,096

82 272 or   93 642 or      163

15,625              and the fifth,                 46,656

1252 or   253 2162 or  363

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