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
`3/5` quintal of wheat costs Rs.210. Find the cost of :
(i) 1 quintal of wheat
(ii) 0.4 quintal of wheat
4 men or 6 women earn Rs. 360 in one day. Find, how much will:
(i) a man earn in one day?
(ii) a woman earn in one day?
(iii) 6 men and 4 women earn in one day?
A contractor undertakes to build a wall 1000 m long in 50 days. He employs 56 men, but at the end of 27 days, he finds that only 448 m of wall is built. How many extra men must the contractor employ so that the wall is completed in time?
The price of 25 identical articles is ₹1,750. Find the price of 13 articles
A motorbike travels 330 km in 5 litres of petrol. How much distance will it cover in one litre of petrol?
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 car covers a distance of 180 km in 5 hours. How much time will the car take to cover 54 km with the same speed?
Cost of 10 kg of wheat is ₹ 180. What is the cost of 18 kg of wheat?
Geeta types 108 words in 6 minutes. How many words would she type in half an hour?
If John walks 250 steps to cover a distance of 200 metres, find the distance covered by him in 350 steps
