Advertisements
Advertisements
प्रश्न
In a hostel of 50 girls, there are food provisions for 40 days. If 30 more girls join the hostel, how long will these provisions last?
Advertisements
उत्तर
In a hostel of 50 girls, food are available = 40 days
For 1 girl, food provisions = 50 × 40 = 2000 days
Now, for (50 + 30) girls i.e. 80 girls, the food provision = `2000/80`
= `200/8`
= 25 days
The food provisions will last for 25 days, if 30 more girls join.
APPEARS IN
संबंधित प्रश्न
Which of the following are in inverse proportion?
The population of a country and the area of land per person.
18 men can reap a field in 35 days. For reaping the same field in 15 days, how many men are required?
Mary cycles at 6 km per hour. How long will she take to reach her Aunt’s house which is 12 km away? If she cycles at a speed of 4 km/hr, how long would she take?
A printer, prints a book of 300 pages at the rate of 30 pages per minute. Then, how long will it take to print the same book if the speed of the printer is 25 pages per minute?
If xy = 10, then x and y vary ______ with each other.
If two quantities p and q vary inversely with each other then ______ of their corresponding values remains constant.
Write whether the following statement vary directly, vary inversely with each other, or neither of the two.
Increase in cost and number of shirts that can be purchased if the budget remains the same.
If x varies inversely as y and x = 20 when y = 600, find y when x = 400.
Find the values of x and y if a and b are in inverse proportion:
- 12 x 8
- 30 5 y
