If A:B:C = 2:3:4, then AB:BC:CA is equal to _________________
8:9:24
8:4:24
9:4:24
9:9:24
Let A = 2x, B = 3x and C = 4x
Then, AB = 2x3x = 23
BC = 3x4x = 34
CA = 4x2x = 21
→ AB:BC:CA = 23:34:21 = 8:9:24