Advertisements
Advertisements
प्रश्न
Cost of 24 identical articles is Rs. 108, Find the cost of 40 similar articles.
Advertisements
उत्तर
Cost of 24 identical articles = Rs.108
∴ Cost of 1 identical articles = Rs.`108/24`
∴ Cost of 40 identical articles = Rs.`(108/24xx40)`
= Rs.`108/3xx5`
= Rs. 36 × 5
= Rs.180
APPEARS IN
संबंधित प्रश्न
12 pipes, all of the same size, fill a tank in 42 minutes. How long will it take to fill the same tank, if 21 pipes of the same size are used?
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?
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 12 men or 18 women can complete a piece of work in 7 days, in how many days can 4 men and 8 women complete the same work?
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?
90 men can complete a work in 24 days working 8 hours a day. How many men are required to complete the same work in 18 days working `7 1/2` hours a day?
A can-do `1/4` of work in 5 days and B can do `1/3` of the same work in 10 days. Find the number of days in which both working together will complete the work.
A and B can do a piece of work in 40 days; B and C in 30 days; and C and A in 24 days.
- How long will it take them to do the work together?
- In what time can each finish it working alone?
P and Q can do a piece of work in 12 days and 15 days respectively. P started the work alone and then after 3 days, Q joined him till the work was completed. How long did the work last?
