252, 3 is multiplied by (3*4) to give 36 4 is multiplied by (4*5) to give 80 So 6 should be multiplied by 6*7 to give 252

IF 1 + 2 + 3 = 18 2 + 3 + 4 = 27 3 + 4 + 5 = 36 4 + 5 + 6 = 45 THEN: 5 + 6 + 7 = ??

If 3+3*4 = 28, 4+4*6=54, 5+5*7=77 then 6+6*9 = ??