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Puzzle posted by Diya

0 votes
If 9800 are invested partly in 9% stock at 75 and 10% stock at 80 to have equal amount of incomes...
posted Mar 2, 2016
  • shares
  • mathematical
0 votes
What percent of the total cost was the cost of all the shower heads?
posted Jan 14, 2016
  • percentage
  • mathematical
...