The mean marks of a group of students is 60. If their marks are 85, 62, 36, 48,72, x , 75, and 39 then find the value of x ? Share with your friends Share 3 Varun.Rawat answered this We know that :mean = sum of observationsnumber of observations⇒60 = 85+62+36+48+72+x+75+398⇒480 = 417 + x⇒x = 480 - 417⇒x = 63 3 View Full Answer Ritu Bansal answered this X=-357 1 Om Chandak answered this X=-357 0 Anmol Tripathi answered this Chahuhugaw -2 Luvish Arya answered this vgjhghj -1