Friday, November 13, 2009

PSLE 2009

Singapore Primary 6 Exam - Primary School Leaving Examination (PSLE)

Because this is Primary 6 Exam, so NO algebra and simultaneous equations (which is taught in Secondary 2 or Form 3 ) !

Dear students, please try HARD before you try and read the comments for answer!

Jim bought some chocolates and gave half of it to Ken. Ken bought some sweets and gave half of it to Jim. Jim ate 12 sweets and Ken ate 18 chocolates. The ratio of Jim's sweets to chocolates became 1:7 and the ratio of Ken's sweets to chocolates became 1:4. How many sweets did Ken buy?