Malar and Roja combined will complete a task in 35 days, but Malar alone can complete same work in 60 days. Calculate in how many days Roja can complete this work ?
Choose the correct choice
A) 85 days  B) 45 days  C) 90 days  D) 84 days  E) 95 days
Malar - 35 days =&gt;1/35   Roja - 60 days =&gt;1/60   Malar one day work = 1/35-1/60   =1/84   ==&gt;84 days   ANSWER 84 days
<result>D</result>
Malar and Roja combined will complete a task in 35 days, but Malar alone can complete same work in 60 days. Calculate in how many days Roja can complete this work ?