Advertisements
Advertisements
प्रश्न
In which of the following case, do the quantities vary directly with each other?
पर्याय
x 0.5 2 8 32 y 2 8 32 128 p 12 22 32 42 q 13 23 33 43 r 2 5 10 25 50 s 25 10 5 2 0.5 u 2 4 6 9 12 v 18 9 6 4 3
Advertisements
उत्तर
| x | 0.5 | 2 | 8 | 32 |
| y | 2 | 8 | 32 | 128 |
Explanation:
x = 0.5, 2, 8, 32 and y = 2, 8, 32, 128
If we multiply x with 4, we get the directly required result as same as shown in corresponding y. In this case, as the value of x increases, the value of y also increases.
APPEARS IN
संबंधित प्रश्न
Following are the car parking charges near a railway station upto
| 4 hours | ₹60 |
| 8 hours | ₹100 |
| 12 hours | ₹140 |
| 24 hours | ₹180 |
Check if the parking charges are in direct proportion to the parking time.
Which of the following quantities vary directly with each other?
(i) Number of articles (x) and their price (y).
(ii) Weight of articles (x) and their cost (y).
(iii) Distance x and time y, speed remaining the same.
(iv) Wages (y) and number of hours (x) of work.
(v) Speed (x) and time (y) (distance covered remaining the same).
(vi) Area of a land (x) and its cost (y).
The second class railway fare for 240 km of Journey is Rs 15.00. What would be the fare for a journey of 139.2 km?
A and B can do a piece of work in 12 days; B and C in 15 days; C and A in 20 days. How much time will A alone take to finish the work?
A and B can finish a work in 20 days. A alone can do \[\frac{1}{5}\] th of the work in 12 days. In how many days can B alone do it?
Reema weaves 35 baskets in 25 days. In how many days will she weave 55 baskets?
Expenditure of a family to number of members of the family are in direct proportion
It is given that l varies directly as m. Find the constant of proportion (k), when l is 6 then m is 18.
From the following table, determine if x and y are in direct proportion or not.
| x | 1 | 4 | 9 | 20 |
| y | 1.5 | 6 | 13.5 | 30 |
If 25 metres of cloth costs Rs 337.50, then what will be the length of the cloth bought for Rs 810?
