Olympiad Tricks Smart Math For Primary School Mathematics
Now we are in the year 2013. The ratio of ages of my father, my mother, and my younger brother is 12 : 9 : 1. Five from year now, my father will be 41 years old. in what year was my younger brother born?
Math Solution :
for instance age my father, my mother, my brother now is x, y and z then.
X : Y : Z = 12 : 9 : 1
X : Z = 12 : 1
Z = X/12 .............. ( 1 )
X + 5 = 41
X...
Showing posts with label Math Olympiad. Show all posts
Showing posts with label Math Olympiad. Show all posts
2013/06/26
Trick Math Olympiad Smart Way
Trick Math Olympiad smart way best solution to learn and practice working on a variety of questions that explore the ways to be a winner in the contest math Olympiad..
Every 7 days, a newspaper man drops a weekly magazine at margareth's house. A milkman goes there every 6 days. last October 1st, the two man want to margaret's house. When (date and month) will they go there again on the same day?
Trick Math :
Least common multiple of 6 and 7 is 42. if both the seller is dated 1st October margaret's house, then 42 days later come together...