The average height of 3 boys A, B and C is 120 cms and their heights are in the ratio of 8 : 7 : 5 respectively. What is the height of B in cms? 1)? 120 ?? 2)? 126 3)? 90 ??? 4)? 84
The average height of 3 boys A, B and C is 120 cms and their heights are in the ratio of 8 : 7 : 5 respectively. What is the height of B in cms?
1)? 120 ??
2)? 126
3)? 90 ???
4)? 84