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Arith-MazeIn the following numeric-maze, go to the ‘START’ box and proceed through the maze, following instructions as provided, until you get to the ‘FINISH’ box. What number did you finish with?
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Last month's solutions
Puzzle OneOn the clock below, the time shown is 14:23:30. Can you determine the exact angle, in degrees, that the hour and minute hands make at this time?
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Puzzle TwoUnder his new contract, Murray’s annual salary will increase by 4,000 each year after the 1st year. If his total annual salary projected over next 12 years is $1,266,580, and on his 10th year he is to receive a special bonus of 10% on his annual salary. What is his annual starting salary and also what is his projected salary for 12th year? Solution: Let x = his starting annual salary Annual Salaries projection: 1st year = x Total of 12 years of annual salaries: 12.3x + 914,800 = 1,266,580; 12.3x = 1,266,580 – 914,800 = 351,780 Therefore, x = 351,780 / 12.3 = $28,600 (Starting annual salary) and |
Puzzle ThreeWhat is the sum of 1+11+111+1111+11111+111111………up to 100 digits of 1? Solution: RULE for adding consecutive numbers in a group: |
