Karan S Hattiangady and Raksha B S of Aloha Learning Centre in Chilimbi secured the 1st and 2nd prizes respectively in the 4th Karnataka State-level Aloha abacus and mental arithmetic competition held at Bangalore on October 29. Aloha India Chairman K Kumaran distributed prizes to the winners of the competition in which about 1,300 students from all over the State had competed. The two winners shall now participate in the national-level competition to be held in Chennai on December 29, informed a press release.