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
Rohit bought 12 registers for Rs 156, find the cost of 7 such registers.
11 men can dig \[6\frac{3}{4}\] metre long trench in one day. How many men should be employed for digging 27 metre long trench of the same type in one day?
The amount of extension in an elastic spring varies directly with the weight hung on it. If a weight of 250 gm produces an extension of 3.5 cm, find the extension produced by the weight of 700 gm.
Aasheesh can paint his doll in 20 minutes and his sister Chinki can do so in 25 minutes. They paint the doll together for five minutes. At this juncture they have a quarrel and Chinki withdraws from painting. In how many minutes will Aasheesh finish the painting of the remaining doll?
Every 3 months Tamilselvan deposits ₹ 5000 as savings in his bank account. In how many years he can save ₹ 1,50,000
When two quantities x and y are in ______ proportion or vary ______ they are written as `x oo y`.
It is given that l varies directly as m. Find l, when m is 33.
The mass of an aluminum rod varies directly with its length. If a 16 cm long rod has a mass of 192 g, find the length of the rod whose mass is 105 g.
The table shows the time four elevators take to travel various distances. Find which elevator is fastest and which is slowest.
| Distance (m) | Time (sec.) | |
| Elevator- A | 435 | 29 |
| Elevator- B | 448 | 28 |
| Elevator- C | 130 | 10 |
| Elevator- D | 85 | 5 |
How much distance will be travelled by elevators B and C separately in 140 sec? Who travelled more and by how much?
Here is a keyboard of a harmonium: This pattern of keys is repeated on larger keyboard. How many black keys would you expect to find on a keyboard with 14 such patterns.
