3. Pawan and Qureshi working together can do a piece of work in 10 days whereas Qureshi and Rohitworking together can do the same work in 12 days. All three work together to do a job for which theyare paid Rs. 300. If Qureshi’s share is Rs. 140, then what is Pawan’s share?

1) 100
2) 80
3) 60
4) Cannot Be determined