Weight of three children P, Q and R in the ratio 6: 7: 8. If the weight of P is increased by a% the weight of P and R are equal and a% of the total weight of P, Q and R is 35.If the average weight of four children P, Q, R and S is 34. Find the weight of S.
1
29
2
31
3
32
4
33
5
34