Advertisements
Advertisements
प्रश्न
If two quantities p and q vary inversely with each other, then ______
विकल्प
`p/q` remains constant.
p + q remains constant.
p × q remains constant.
p – q remains constant.
Advertisements
उत्तर
If two quantities p and q vary inversely with each other, then p × q remains constant.
Explanation:
Since, in inverse proportion, an increase in p cause a proportional decrease in q and vice-versa.
Hence, p × q remains constant.
APPEARS IN
संबंधित प्रश्न
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°?
Two persons could fit new windows in house in 3 days.
One of the persons fell ill before the work started. How long would the job take now?
In which of the following table x and y vary inversely:
| x | 9 | 24 | 15 | 3 |
| y | 8 | 3 | 4 | 25 |
1200 men can finish a stock of food in 35 days. How many more men should join them so that the same stock may last for 25 days?
A person has money to buy 25 cycles worth Rs 500 each. How many cycles he will be able to buy if each cycle is costing Rs 125 more?
If x and y vary inversely as other and y = 35, find x when constant of variation = 7.
16 taps can fill a petrol tank in 18 minutes. The time taken for 9 taps to fill the same tank will be _________ minutes
Both x and y are said to vary ______ with each other if for some positive number k, xy = k.
If one angle of a triangle is kept fixed then the measure of the remaining two angles vary inversely with each other.
A contractor undertook a contract to complete a part of a stadium in 9 months with a team of 560 persons. Later on, it was required to complete the job in 5 months. How many extra persons should he employ to complete the work?
