Surbhi can do a piece of work in 24 days. She completed half of the work and then left it. Amita complete the remaining work in 10 days. Working together, they will complete 125% of the same work in:
Show answer & explanation
Correct answer: C
Explanation
The correct answer is option 3 i.e. 150/11 days
If Amita completed half of the work in 10 days it means she will complete the whole work in 20 days
Let the total work be LCM of 20 and 24 i.e 120
Efficiency = Total work/Total time taken
Efficiency of Surbhi = 120/24 = 5
Efficiency of Amita = 120/20 = 6
125% of Total work = (125/100) × 120 = 150
By working together 150 unit work is done in 150/11 days