Advertisements
Advertisements
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?
उत्तर
In 60 days a wall can be built by = 15 men
In 1 day a wall can be built by = 15 x 60 men
In 45 days a wall can be built by = `(15xx60)/45=900/45` = 20 men
No. of more men required to build the wall in 45 days = 20 – 15 = 5 men
APPEARS IN
संबंधित प्रश्न
Six taps can fill an empty cistern in 8 hours. How much more time will be taken, if two taps go out of order? Assume, all the taps supply water at the same rate.
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?
A group of labourers promises to do a piece of work in 10 days, but five of them become absent. If the remaining labourers complete the work in 12 days, find their original number in the group.
A motorbike travels 330 km in 5 litres of petrol. How much distance will it cover in 2.5 litres of petrol?
A motorbike travels 425 km in 5 hours. How much distance will be covered by it in 3.2 hours?
If the cost of a dozen identical articles is ₹ 672, what will be the cost of 18 such articles?
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?
Cost of 10 kg of wheat is ₹ 180. What quantity of wheat can be purchased in ₹ 432?
A loaded truck travels 18 km in 25 minutes. If the speed remains the same, how far can it travel in 5 hours?
A truck requires 108 litres of diesel for covering a distance of 1188 km. How much diesel will be required by the truck to cover a distance of 3300 km?
