সব প্রশ্নে ফিরে যান
Math
A takes twice as much time as B or thrice as much time as C to finish a piece of work . Working together , they can finish the work in 2 days . B can do the work alone in :
A) 6 days
সঠিক উত্তর
B) 8 days
C) 12 days
D) 4 days