please solve this sum and also the forumula as I cannot solve it. Share with your friends Share 0 Shruti Tyagi answered this Dear Student, LCM of 4 numbers is 720Factprs of 720=2×2×2×2×5×3×3=24×5×32The three numbers are 16=2410=2×540=23×5Hence LCM of 3 numbers =24×5hence we need the fourth number to contain 9 so that we get LCM of 4 numbers as 720out of given options b) 144=9×16 =9×24d) 54=9×3×2 =9×3×2onlyoption b 144 satisfies the LCM =720because if we take fourth number as 72LCM of 4 numbers will become=24×5×33 which is not equal to 720Hence correct answer is 144 option B is correct Regards, 0 View Full Answer
