SASMO 2027 · Grades 2-3 · SET 009 · Self-study Question 19

An operator Δ gives 3 Δ 2 = 12, 4 Δ 5 = 40, 5 Δ 9 = 90 and 6 Δ 1 = 12. Using the same simple pattern, what is 2 Δ 7?