Advertisements
Advertisements
प्रश्न
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.
उत्तर
Increase in cost and number of shirts that can be purchased, if the budget remains the same are inversely proportional to each other.
E.g. Let 2 shirts price = ₹ 800. After increasing in price of each shirt,
1 shirt price became ₹ 800
Where budget = ₹ 800
APPEARS IN
संबंधित प्रश्न
Which of the following are in inverse proportion?
The population of a country and the area of land per person.
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 | ... | ... | ... | ... | ... |
Rehman is making a wheel using spokes. He wants to fix equal spokes in such a way that the angles between any pair of consecutive spokes are equal. Help him by completing the following table:
| Number of spokes | 4 | 6 | 8 | 10 | 12 |
| Angle between a pair of consecutive spokes |
90° | 60° | ... | ... | ... |
- Are the number of spokes and the angles formed between the pairs of consecutive spokes in inverse proportion?
- Calculate the angle between a pair of consecutive spokes on a wheel with 15 spokes.
- How many spokes would be needed if the angle between a pair of consecutive spokes is 40°?
A car can finish a certain journey in 10 hours at the speed of 48 km/hr. By how much should its speed be increased so that it may take only 8 hours to cover the same distance?
18 men can reap a field in 35 days. For reaping the same field in 15 days, how many men are required?
It takes 60 days for 10 machines to dig a hole. Assuming that all machines work at the same speed, how long will it take 30 machines to dig the same hole?
Forty students stay in a hostel. They had food stock for 30 days. If the students are doubled then for how many days the stock will last?
If two quantities p and q vary inversely with each other then ______ of their corresponding values remains constant.
If x varies inversely as y and x = 20 when y = 600, find y when x = 400.
If x varies inversely as y and y = 60 when x = 1.5. Find x. when y = 4.5.
