Question

A is 30% more efficient than B. How much time will they, working together, take to complete a job which A alone could have done in 23 days ?
A) 9 days
B) 11 days
C) 13 days
D) 15 days

Answer 1

Hii dear here is your answer

option b is the correct answer

Hope it's help u

Answer 2

✒✏✒.A is 30% more efficient than B. How much time will they, working together, take to complete a job which A alone could have done in 23 days ?
A) 9 days
B) 11 days
C) 13 days✔✔✔
D) 15 days