Mehdi can complete a work in 25 hours. If he is joined by Jahnavi who is 50% more efficient, in what time will they together finish the work?

Question

Answer 1

1/25 + 3/50 = 5/50 = 10 hrs the previous answer was incorrect

Answer 2

1/25 + 3/50 = 5/50 = 10 hrs the previous answer was incorrect

Answer 3

1/25 units for M
2/25 units for J
M+J = 3/25 ie 8.33 hrs

Answer 4

1/25 units for M
2/25 units for J
M+J = 3/25 ie 8.33 hrs

Answer 5

16hours and 40 minute

Answer 6

16hours and 40 minute

­ Mehdi can complete a work in 25 hours. If he is joined by Jahnavi who is 50% more efficient, in what time will they together finish the work?