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?
Advertisements
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
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?
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?
The price of 25 identical articles is ₹1,750. Find the price of one article
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 time will the car take to cover 54 km with the same speed?
Geeta types 108 words in 6 minutes. How many words would she type in half an hour?
If a deposit of ₹ 2,000 earns an interest of ₹ 500 in 3 years, how much interest would a deposit of ₹ 36,000 earn in 3 years with the same rate of simple interest?
25 metres of cloth costs ₹ 1,012.50. How many metres of the same kind can be bought for ₹ 1,620?
If 18 pencils cost ₹54, what is the cost of 6 pencils?
