P, Q and R can do a work in 5 , 7 and 10 days respectively. They completed the work and got Rs.310. What is the share of Q and R respectively?
Choose one:	A) 100 and 80	B) 100 and 90	C) 100 and 110	D) 70 and 100	E) 100 and 70
The ratio of their working rates = 1/5 : 1/7 : 1/10 = 14 : 10 : 7.   Since, they work together, the share of Q   = 10/31 * 310 = Rs.100   the share of R = 7/31 * 310 = Rs.70   the share of Q and R respectively is Rs. 100 and Rs.70   Answer: 100 and 70
<result>E</result>
P, Q and R can do a work in 5 , 7 and 10 days respectively. They completed the work and got Rs.310. What is the share of Q and R respectively?