4, 20, 80, 240, …….A320B480C540D600Answer: B. 480 Read Explanation: 4 × 5 = 20 20 × 4 = 80 80 × 3 = 240 that is multiply each numbers by 5 , 4 , 3 ,2 240 × 2 = 480 4, 20, 80, 240, 480Read more in App