সব প্রশ্নে ফিরে যান
Math
A and B can work in 8 days, B and C can do the same work in 12 days. A, B and C together can finish it in 6 days. A and C together will do it in :
A) 4 days
B) 6 days
C) 8 days
সঠিক উত্তর
D) 12 days