Answers

2014-11-30T06:34:43+05:30
Average height of girls is = 113.3
       Sol:-
               6(100+15)+8(100+15)+10(100+11)
               ____________________________ =113.3cm
                                6+8+10
0
a)1m 10cm b) 1m 15cm c)1m 20cm d) 1m 20cm....Ans option a)..How its derived from above mensioned problem ???