Advertisements
Advertisements
प्रश्न
If 15 men can complete a piece of work in 30 days, in how many days will 18 men complete it?
Advertisements
उत्तर
Since 15 men can complete a piece of work in = 30 days
∴ 1 man can do the work in = 30 × 15 days
∴ 18 men can do the work in =`(30xx15)/18=(5xx15)/3`
= 5 × 5 = 25 days
Hence 18 men can do the work in 25 days.
APPEARS IN
संबंधित प्रश्न
12 pipes, all of the same size, fill a tank in 42 minutes. How long will it take to fill the same tank, if 21 pipes of the same size are used?
A car takes 6 hours to reach a destination by travelling at a speed of 50 km per hour. How long will it take when the car travels at a speed of 75 km per hour?
In order to complete a work in 28 days, 60 men are required. How many men will be required if the same work is to be completed in 40 days?
A fort had provisions for 450 soldiers for 40 days. After 10 days, 90 more soldiers come to the fort. Find in how many days will the remaining provisions last at the same rate?
If 3 men or 6 boys can finish a work in 20 days, how long will 4 men and 12 boys take to finish the same work?
90 men can complete a work in 24 days working 8 hours a day. How many men are required to complete the same work in 18 days working `7 1/2` hours a day?
A can do a piece of work in 10 days and B in 15 days. How long will they take together to finish it?
A and B together can do a piece of work in `6 2/3` days, but B alone can do it in 10 days. How long will A take to do it alone?
A can finish a piece of work in 15 days and B can do it in 10 days. They worked together for 2 days and then B goes away. In how many days will A finish the remaining work?
P alone can do `1/2` of a work in 6 days and Q alone can do `2/3` of the same work in 4 days. in how many days will they finish `3/4` of the work, working together?
