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
22 men can dig a 27 m long trench in one day. How many men should be employed for digging 135 m long trench of the same type in one day?
A train is moving with a uniform speed of 120 km per hour.
(i) How far will it travel in 36 minutes?
(ii) In how much time will it cover 210 km?
In a fort 150 men had provisions for 45 days. After 10 days, 25 men left the fort. How long would the food last at the same rate?
72 men do a piece of work in 25 days. In how many days will 30 men do the same work?
If 56 workers can build a wall in 180 hours, how many workers will be required to do the same work in 70 hours?
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?
A, B, and C can do a piece of work in 6 days, 12 days, and 24 days respectively. In what time will they altogether do it?
Two pipes P and Q would fill an empty cistern in 24 minutes and 32 minutes respectively. Both the pipes being opened together, find when the first pipe must be turned off so that the empty cistern maybe just filled in 16 minutes.
X alone can do a piece of work in 6 days and Y alone in 8 days. X and Y undertook the work for ₹ 48000. With the help of Z, they completed the work in 3 days. How much is Z’s share?
