The average height of P, Q and R is 150 cms. If the average height of P and Q is 150 cms and the average height of Q and R is 155 cms then, what is the height of Q?
1
155 cms
2
150 cms
3
160 cms
4
170 cms
The average height of P, Q and R is 150 cms. If the average height of P and Q is 150 cms and the average height of Q and R is 155 cms then, what is the height of Q?