Embibe Experts Solutions for Chapter: Arithmetic, Exercise 12: Exercise 12

X can do a piece of work in $20$ days and Y can do the same work in $30$ days. They finished the work with the help of Z in $8$ days. If they earned a total of Rs. $5550$, then what is the share of Z?

A can do $\frac{7}{8}$ of work in$28 \mathrm{days}$, B can do $\frac{5}{6}$ of the same work in $20 \mathrm{days}$. The number of days they will take to complete if they do it together is _____.

$A,B$ and $C$ can do a piece of work individually in $8,12$ and $15 \mathrm{days}$ respectively. $A$and $B$ start working together but $A$ quits after working for $2 \mathrm{days}$. After this, $C$ joins and works till completion of the work. In how many days will the work be completed?

A and B can do work in $12 \mathrm{days}$, B and C in $15 \mathrm{days}$, and C and A in $20 \mathrm{days}$. They all work together for $6 \mathrm{days}$ and then A left.In how many more days can B and C finish the remaining work?

$x, y$ and $z$ can do a work in $20, 25$ and $30 \mathrm{days}$ respectively. They undertook to finish the work together for $₹ 2220$. The share of $x$ exceeds that of $y$ by -

$15$ men or $24$ women or $36$ boys can do a piece of work in $12 \mathrm{days}$, working $8 \mathrm{hours}$ a day, how many men must be associated with $12$ women and $6$ boys to do another piece of work $2\frac{1}{4}$ times as great in $30 \mathrm{days}$ working $6 \mathrm{hours}$ a day?

A is thrice as good a workman as B and A is therefore able to finish a piece of work in 60 days less than B. Find the time in which they can do it, working together.

A takes $5$ days more than B to do a certain job and $9$ days more than C; A and B together can do the job in the same time as C. How many days A would take to do it ?