Advertisements
Advertisements
प्रश्न
Which of the following are in inverse proportion?
The population of a country and the area of land per person.
Advertisements
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
A batch of bottles was packed in 25 boxes with 12 bottles in each box. If the same batch is packed using 20 bottles in each box, how many boxes would be filled?

Which of the following quantities vary inversely as other?
The number of x men hired to construct a wall and the time y taken to finish the job.
A work-force of 420 men with a contractor can finish a certain piece of work in 9 months. How many extra men must he employ to complete the job in 7 months?
If x and y vary inversely as other and x = 3 when y = 8, find y when x = 4 .
10 farmers can plough a field in 21 days. Find the number of days reduced if 14 farmers ploughed the same field?
A flood relief camp has food stock by which 80 people can be benefited for 60 days. After 10 days 20 more people have joined the camp. Calculate the number of days of food shortage due to the addition of 20 more people?
If 12 pumps can empty a reservoir in 20 hours, then time required by 45 such pumps to empty the same reservoir is ______ hours.
If x varies inversely as y and x = 4 when y = 6, then when x = 3 the value of y is ______.
If a deposit of Rs 2,000 earns an interest of Rs 500 in 3 years, how much interest would a deposit of Rs 36,000 earn in 3 years with the same rate of simple interest?
If a and b vary inversely to other, then find the values of p, q, r ; x, y, z and l, m, n.
| a | 2 | y | 6 | 10 |
| b | x | 12.5 | 15 | z |
