: Which of the following numbers are divisible by both 3 and 5? Numbers : 15, 30, 45, 50, 60.
Tasks that involve drawing and calculating specific properties based on spatial logic. : Draw an angle MOKcap M cap O cap K 155∘155 raised to the composed with power OCcap O cap C to divide it such that angle MOCcap M cap O cap C 103∘103 raised to the composed with power . Calculate the measure of angle COKcap C cap O cap K
: Three friends—Borisov, Ivanov, and Petrov—work as a turner, a locksmith, and a welder. Ivanov is older than the welder. Borisov and the turner are different ages. The welder and the turner do not know each other. The Task : Determine the profession of each person. 2. "Equalizing" Word Problems