Shyam Saraf and Abhilasha Swarup Solutions for Exercise 1: EXERCISE

Pulkit completes a work in $60$ days. Mohini works $1.5$ times as fast as Pulkit. How many days will Mohini take to complete the work?

Pipe A can fill an empty tank in $24$ hours and pipe B can empty the same filled tank in $30$ hours. If both the pipes are opened simultaneously, how much time they will take to fill the empty tank? 

Prabhakar can do$25\%$ of a piece of work in $5$ days. How many days will he take to complete the work ten times?

Two friends, Ashish and Bobby, can do a work in $8$ days working together. Ashish alone can do the same work in $4$ days more. In how many days can Bobby alone complete the work?

$\mathrm{A}$ and $\mathrm{B}$ can do a certain work in $10$ days. $\mathrm{B}$ and $\mathrm{C}$ can do it in $12$ days. $\mathrm{C}$ and A can do it in $20$ days. In how many days can all three, working together, finish the work?

$4$ boys and $6$ girls finish a job in $8$ days, while $3$ boys and $7$ girls finish it in $10$ days. $20$ girls working together will finish the same work in ?

Shobhit, Nihit, and Pulkit undertake to complete a piece of work for $₹2,574$. Shobhit works for $8$ days, Nihit works for $9$ days, and Pulkit works for $12$ days to complete the work. If their daily wages are in the ratio $3:5:4$, what is Pulkit's share?

Prem and Salman can complete a work in $10$ days and $15$ days, respectively. Prem starts the work alone and Salman joins him after $5$ days. In how many days more will the work be completed?