A can build a wall in 30 days, while B alone can build it in 40 days. If they build it together and get a payment of Rs 7000, what is b's share? Share with your friends Share 1 Pranitha Maria Roy answered this If A=30 days Then, b= 40 days Therefore, A:B= 40:30= 4:3 A+B= 7000 = 4x+3x=7000 =7x=7000 Therefore x=7000/7=₹1000 If x=₹1000, then A’s share=3x=3*1000 =₹3000 B’s share=4x=4*1000 =₹4000 Total= 4000+3000=₹7000 0 View Full Answer