Thanks Yueh Mei for accepting my request :)
Thanks Yueh Mei for accepting my request😄
Two identical rectangles are intersecting. The intersection area is equal to non- intersection area. If each rectangle area is 48 cm2. What is the total area surrounded by the thick line. (Japanese secondary school entrance exam)Ref: https://m.facebook.com/story.php?story_fbid=10152411067641075&id=749951074
Problem from japan.Two trains are running in the same direction passing into the tunnel. Both train entered the tunnel at the same time and exit tunnel at the same time. (Tails of both are leaving at tunnel exit)Train A length and speed are 220 and 26m/s, whileTrain B length and speed are 100m and 20m/s.What is the length of tunnel?