the mean of three numbers a,b and c 8 and the mean of five numbers is 15.find the mean of d and e? Share with your friends Share 0 Varun Rawat answered this We have,mean of a, b and c = 8⇒a + b+ c3 = 8⇒a + b + c = 24 .....1mean of a, b, c, d and e = 15⇒a + b + c + d + e5 = 15⇒a + b + c + d + e = 75 ....2Subtracting 1 from 2, we getd + e = 75 - 24⇒d + e = 51Mean of d and e = d+ e2 = 512 = 25.5 0 View Full Answer