Advertisements
Advertisements
प्रश्न
Which quantities in the previous question vary inversely with each other?
विकल्प
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
Which of the following are in inverse proportion?
The number of workers on a job and the time to complete 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?
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?
55 cows can graze a field in 16 days. How many cows will graze the same field in 10 days?
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?
If two quantities p and q vary inversely with each other, then ______
If x varies inversely as y and when x = 6, y = 8, then for x = 8 the value of y is 10.
Write whether the following statement vary directly, vary inversely with each other, or neither of the two.
Compound interest on a given sum and the sum invested.
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?
If a and b vary inversely to other, then find the values of p, q, r ; x, y, z and l, m, n.
| a | 6 | 8 | q | 25 |
| b | 18 | p | 39 | r |
