Advertisements
Advertisements
प्रश्न
Which of the following are in inverse proportion?
The population of a country and the area of land per person.
उत्तर
If the population of a country increases, then the area of land per person will decrease. But if the population of a country decreases, then the area of land per person will increase.
∴ The given statement is in inverse proportion.
APPEARS IN
संबंधित प्रश्न
Which of the following are in inverse proportion?
Area of cultivated land and the crop harvested
In a Television game show, the prize money of Rs 1,00,000 is to be divided equally amongst the winners. Complete the following table and find whether the prize money given to an individual winner is directly or inversely proportional to the number of winners?
| Number of winners | 1 | 2 | 4 | 5 | 8 | 10 | 20 |
| Prize for each winner (in Rs) | 1,00,000 | 50,000 | ... | ... | ... | ... | ... |
It x and y vary inversely, fill in the following blank:
| x | 9 | ... | 81 | 243 |
| y | 27 | 9 | ... | 1 |
A work force of 50 men with a contractor can finish a piece of work in 5 months. In how many months the same work can be completed by 125 men?
1200 soldiers in a fort had enough food for 28 days. After 4 days, some soldiers were transferred to another fort and thus the food lasted now for 32 more days. How many soldiers left the fort?
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?
12 cows can graze a field for 10 days. 20 cows can graze the same field for _______ days
If x varies inversely as y, then
| x | – | 60 |
| y | 2 | 10 |
If on increasing a, b decreases in such a manner that ______ remains ______ and positive, then a and b are said to vary inversely with each other.
Two persons could fit new windows in house in 3 days.
How many persons would be needed to fit the windows in one day?
