Advertisements
Advertisements
प्रश्न
Which quantities in the previous question vary inversely with each other?
पर्याय
x and y
p and q
r and s
u and v
Advertisements
उत्तर
u and v
Explanation:
| u | 2 | 4 | 6 | 9 | 12 |
| v | 18 | 9 | 6 | 4 | 3 |
If u = 2, then v = 18
If u = 4, then v = 9
If u = 6, then v = 6
If u = 9, then v = 4
And if u = 12, then v = 3
It shows, when u increases, then v decreases.
Hence it is inversely with each other.
APPEARS IN
संबंधित प्रश्न
A school has 8 periods a day each of 45 minutes duration. How long would each period be, if the school has 9 periods a day, assuming the number of school hours to be the same?
It is known that for a given mass of gas, the volume v varies inversely as the pressure p. Fill in the missing entries in the following table:
| v (in cm3) | ... | 48 | 60 | ... | 100 | ... | 200 |
| p (in atmospheres) | 2 | ... | 3/2 | 1 | ... | 1/2 | ... |
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?
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?
If x and y vary inversely as other and x = 30, find y when constant of variation = 900.
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?
Meena had enough money to send 8 parcels each weighing 500 grams through a courier service. What would be the weight of each parcel, if she has to send 40 parcels for the same money?
When the speed is kept fixed, time and distance vary inversely with each other.
Write whether the following statement vary directly, vary inversely with each other, or neither of the two.
The height of a tree and the number of years.
