हिंदी

If 25 metres of cloth costs Rs 337.50, then what will be the cost of 40 metres of the same type of cloth? - Mathematics

Advertisements
Advertisements

प्रश्न

If 25 metres of cloth costs Rs 337.50, then what will be the cost of 40 metres of the same type of cloth?

योग
Advertisements

उत्तर

Given,

∵ 25 m of cloth costs = ₹ 337.50

∴ 1 m of cloth cost = ₹ `337.50/25`

Cost of 40 m of the same type of cloth = `337.50/25 xx 40`

= `13500/25`

= ₹ 540

shaalaa.com
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 10: Direct and Inverse Proportions - Exercise [पृष्ठ ३२४]

APPEARS IN

एनसीईआरटी एक्झांप्लर Mathematics [English] Class 8
अध्याय 10 Direct and Inverse Proportions
Exercise | Q 79. (i) | पृष्ठ ३२४

वीडियो ट्यूटोरियलVIEW ALL [1]

संबंधित प्रश्न

In Question 2 above, if 1 part of a red pigment requires 75 mL of base, how much red pigment should we mix with 1800 mL of base?


A photograph of a bacteria enlarged 50,000 times attains a length of 5 cm as shown in the diagram. What is the actual length of the bacteria? If the photograph is enlarged 20,000 times only, what would be its enlarged length?


Rohit bought 12 registers for Rs 156, find the cost of 7 such registers.

 

A cistern can be filled by one tap in 8 hours, and by another in 4 hours. How long will it take to fill the cistern if both taps are opened together?


The scale of a map is given as 1:30000000. The two cities are 4 cm apart on the map. Find the actual distance between them.

Both u and v vary directly with each other. When u is 10, v is 15, which of the following is not a possible pair of corresponding values of u and v?


For fixed time period and rate of interest, the simple interest is directly proportional to the principal.


A car travels a distance of 225 km in 25 litres of petrol. How many litres of petrol will be required to cover a distance of 540 kilometres by this car?


From the following table, determine if x and y are in direct proportion or not.

x 4 7 10 16
y 24 42 60 96

The students of Anju’s class sold posters to raise money. Anju wanted to create a ratio for finding the amount of money her class would make for different numbers of posters sold. Could Anju’s class raise exactly Rs 2,000? If so, how many posters would they need to sell? If not, why?


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×