Math Trivia : Board riding on the roller Get link Facebook Twitter Pinterest Email Other Apps By Unknown - February 14, 2015 Board is riding on the roller. When roller moves 10 cm, how long does the board move? Answer 20 cm At the same time the board moves 10 cm with roller, it moves 10 cm on the roller further. The board moves 20 cm in total by the rotation of the roller. Get link Facebook Twitter Pinterest Email Other Apps
Animal Trivia : Where is elephant's ear holes? By MyBlogger - May 01, 2015 An elephant's ear holes are on the outside of the flaps. Read more
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