4*8=16, 5*4= 10, 7*6= 21 ആയാൽ 4*9 =A14B18C16D21Answer: B. 18 Read Explanation: 4*8=4x8/2 =16 5*4=4x5/2=10 7*6=7x6/2=21 4*9=4x9/2=18Read more in App