الثلاثاء، 31 يناير 2012

Stronger mathematical puzzles



Puzzles and questions that contain the information and calculations require a great 
deal of speed and the ability to perform calculations accurately and quickly, which helps to stimulate the left side of the brain which handles arithmetic operations
First

These puzzles ranging level of difficulty a step-by-step




(1) Mark walked half a mile in 15 minutes what is the distance traveled by the two and a half?






(2) A man went to the market to sell a number of chickens, geese and ducks, their numbers total 135 If the
The number of times the number of chickens, ducks and geese together
The number of ducks, geese, twice the number of
How many of each type of bird?




(3) Last year, the life of Dolph six times the life of his son, and this year became the age of
Dolph five times the life of his son's age, how will each of them in the next year?




(4) If there are 10 people in a meeting and that everyone will shake hands with the rest of the group
How many total handshakes at the meeting?




(5) The length of Sarah 165 cm and weighs 130 kg system followed Sarah diet period 10 weeks
Were losing 1.5 of its weight each week how much weight will be after the end of time?




(6) that the total reconstruction of three children in one family 34 years old how much the total age after three years?
Tt