Renu can do a piece of work in 8 days, but with the help of her friend Suma , she can do it in 3 days. In what time Suma can do it alone?  Choose the most appropriate option.
A) 4.8 B) 1.2 C) 4.4 D) 4.6 E) 4.7
Renuâ€™s one dayâ€™s work = 1/8   Sumaâ€™s one dayâ€™s work = 1/3 - 1/8 = 5/24   Suma can do it alone in 4.8 days.   4.8NSWER:4.8
<result>A</result>
Renu can do a piece of work in 8 days, but with the help of her friend Suma , she can do it in 3 days. In what time Suma can do it alone?