Work, Time, Speed and Distance

$4$ men and $6$ women can complete a work in $8$ days, while $3$ men and $7$ women can complete it in $10$ days. The ratio of the daily work done by a man and a woman is_____.

If $12$ men and $16$ boys can do a piece of work in $10$ days and $18$ men and $50$ boys can do it in $5$ days. Compare the efficiency of a man to that of a boy.

A and B together can do a piece of work in $30$$\mathrm{days}$. A having worked for $16 \mathrm{days}$, B finishes the remaining work alone in $44 \mathrm{days}$. In how many days shall B finish the whole work alone?

A person travels equal distance with the speed of $3 \mathrm{kmph}$, $4 \mathrm{kmph}$ and $5 \mathrm{kmph}$ and takes a total time of $47 \min$. Find the total distance.

$6 \mathrm{boys}$ or $4 \mathrm{men}$ can complete a piece of work in $24 \mathrm{days}$. In how many days will  $3 \mathrm{boys} \mathrm{and} 10 \mathrm{men}$ together complete the same piece of work?

$A$ and $B$ can do a piece of work in $10 \mathrm{days}$. $B$and $C$ can do it in $12 \mathrm{days}$; $C$ and $A$ in $15 \mathrm{days}$. In how many days will $C$ finish it alone?

A motorist travels to a place $150 \mathrm{km}$ away at an average speed of $50 \mathrm{kmph}$ and returns at $30 \mathrm{kmph}$. His average speed for the whole journey in $\mathrm{kmph}$ is _____

A certain number of men can do work in $60 \mathrm{days}$. If there were $8 \mathrm{men}$ more it could be finished in $10 \mathrm{days}$ less. The number of men is____

A farmer travelled a distance of $61 \mathrm{km}$ in $9 \mathrm{hr}$. He travelled partly on foot with $4 \mathrm{km}/\mathrm{hr}$ and partly on bicycle with $9 \mathrm{km}/\mathrm{hr}$. The distance travelled on foot is:

$3$ men or $5$ women can do a piece of work in $12 \mathrm{days}$. How long will $6$ men and $5$ women take to finish the piece of work?

Some staff promised to do a job in $18 \mathrm{days}$, but $6$ of them went on leave, So the remaining men took $20 \mathrm{days}$ to complete the job. How many men were there originally?

$A$and $B$ can together complete a piece of work in$4 \mathrm{days}$. If $A$ alone can complete the same work in $12 \mathrm{days}$, in how many days can $B$ alone complete that work ?

$A$can do a piece of work in $70 \mathrm{days}$ and $B$ is $40\%$ more efficient than $A$. The number of days taken by $B$ to do the same work is-

If $3$ men or $6$ boys can do a piece of work in $20 \mathrm{days}$, then how many days with $6$ men and $8$ boys take to do the same work?

A group of labour wished to complete the work in $25 \mathrm{days}$. But $10$ labourers did not turn-up and the work got completed in $35 \mathrm{days}$. Find the approximate number of labourers in the beginning?

Prem and Raj can do a job in $10$ days and $12$ days respectively. Prem starts the work and after $6$ days Raj also joins to finish the work together. For how many days Raj actually worked on the job?

A can do a piece of works in $6 \mathrm{days}$. B takes $8 \mathrm{days}$ and C takes as long as A and B would take working together. In how many days will B and C work together?

$25$ men and $15$ women can complete a piece of work in $12 \mathrm{days}$. All of them started working together and after working for $8 \mathrm{days}$ the women stop working. $25$ men completed the remaining work in $6 \mathrm{days}$. How many days will it take for completing the entire job if only $15$ women are put on the job?

$500$ men can finish a work in $20 \mathrm{days}$ working $5 \mathrm{hours}$ a day.To finish the work with in $10 \mathrm{days}$ working $8 \mathrm{hours}$ a day the minimum number of men required is _____

Some carpenters promised to do a job in $9 \mathrm{days}$ but $5$ of them were absent and remaining men did the job in $12 \mathrm{days}$. The original number of carpenters was____