Advertisements
Advertisements
प्रश्न
50 labourers can dig a pond in 16 days. How many labourers will be required to dig another pond, double in size in 20 days?
Advertisements
उत्तर
In 16 days for diging pond labour reqd.
In 1 day, labour reqd. = 50 × 16
In 20 days, labour reqd. = `(50xx16)/20`
In 20 days, with double work, labour reqd.
`=(50xx16xx2)/20`
= 5 × 8 × 2
= 80
Hence labourers required = 80
APPEARS IN
संबंधित प्रश्न
Fifteen men can build a wall in 60 days. How many more men are required to build another wall of the same size in 45 days?
If 25 horses consume 18 quintal in 36 days, how long will 28 quintal last for 30 horses?
If 70 men dig 15,000 sq. m of a field in 5 days, how many men will dig 22,500 sq. m field in 25 days?
Ten men, working for 6 days of 10 hours each, finish `5/21` of a piece of work. How many men working at the same rate and for the same number of hours each day, will be required to complete the remaining work in 8 days?
A motorbike travels 330 km in 5 litres of petrol. How much distance will it cover in 2.5 litres of petrol?
If the cost of a dozen soaps is ₹ 460.80, what will the cost of 3 dozen soaps?
For ₹ 378, 9 cans of juice can be bought, then how many cans of juice can be bought for ₹ 504?
A car covers a distance of 180 km in 5 hours. How much distance will the car cover in 3 hours with the same speed?
A loaded truck travels 18 km in 25 minutes. If the speed remains the same, how far can it travel in 5 hours?
In the unitary method, which mathematical operation is used to convert the value of "many" units to the value of "one" unit?
