S.N. Chhibber Solutions for Chapter: Direct and Inverse Variation, Exercise 5: Multiple Choice Questions

Asha can complete $\frac{1}{10}$ of a work in $3$ days. How long will she take to do $\frac{2}{5}$ of the work$?$

$A$ can do a piece of work in $12$ days while $B$ can do it in $8$ days. With the help of $C$, they together could complete the work in $4$ days. $C$ alone can work in

$A$ and $B$ can finish a piece of work in $30$ days. They worked together for $20$ days and then $B$ left. The remaining work was done by $A$ alone in $16$ more days. $A$ alone can finish the work in

Taps $A$ and $B$ can fill a tank in $4$ hours and $6$ hours, respectively, and tap $C$ at the bottom can empty it in $12$ hours. The tank is half filled. All the three taps are turned on simultaneously. After how much time will the tank be filled?