Monicaa Abhijit Solutions for Chapter: Time and Work, Exercise 2: REVIEW EXERCISES

Rinku can knit a sweater alone in $6$ hours and Seema can knit a sweater alone in $8$ hours. How much time would they take working together to knit $1$ sweater.

Rinku can knit a sweater alone in $6$ hours and Seema can knit a sweater alone in $8$ hours. How much time would they take working together to knit $14$ sweater.

Manoj can weave $\frac{1}{3}$rd of a saree in $5$ days and Karan can weave $\frac{1}{4}$th of the same saree in $6$ days. If they work together, in how many days will the work be completed? Also, find who is more efficient?

Three workers can finish a construction work in $12,18,24$ days respectively. How long will they take to finish the construction work, if they all work together?

$15$ boys earn $₹900$ in $6$ days. What will $12$ boys earn in $7$ days?

$10$ men can prepare $20$ toys in $3$ days working $12$ hours a day. In how many days will $24$ men prepare $32$ toys working $4$ hours a day?

Ram can do a piece of work in $4$ hours, Shyam and Laxman can do it in $3$ hours, Ram and Laxman can do it in $2$ hours. How long would Shyam alone take to do it?

$10$ computer operators can type $120$ pages in $2$ hours. How many operators should work if the job is to be completed in $30$ minutes?