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Brain teasers...
3826 +
2768
6594
In the above sum the top row added to the middle row gives the bottom one. Working from top to bottom, remove one digit from each row, from any columns (closing the gaps) to leave three columns of digits, then a second digit from each row to leave two columns, and finally a third to leave one column so that a valid sum remains each time. What are the three sets of digits removed? ... Hint ... Solution
In a wood-cutting factory, four large sawing machines stand in a windowless room. Each machine has an on/off switch attached, there being no doubt as to which switch controls which machine. Outside the door to the room are four back-up on/off switches, one for each machine inside. The power for each machine must first pass through the back-up switch, and then the machine switch before reaching the saw. The problem is, the new manager cannot decide how these back-up switches match with the machines inside the room. One day, the manager's brother visits. The manager takes him inside the sawing room where all four machines are at work and explains the problem. The brother announces that he intends to leave the room and that when he returns he will be able to match correctly the four switches outside the room to the four machines inside. The brother works alone, cannot see the machines from outside the room and solves the problem purely by operating switches. How is it possible? ... Hint ... Solution
Quotes...
You will never find time for anything. If you want time you must make it. -Charles Buxton (English authour)
You can never plan the future by the past. -Edmond Burke (Irish statesman)
The strongest man in the world is he who stand alone. -Henrik Ibsen (German poet)
Never has a man who has bent himself been able to make others straight. -Mencius (Chinese philosopher)
The secret of health for both mind and body is not to mourn for the past, worry about the future, or anticipate troubles, but to live in the present moment wisely and earnestly. -Buddha
I like the momnet when I break a man's ego. -Bobby Fisher (American chess champion)