Advertisements
Advertisements
प्रश्न
Both x and y vary directly with each other and when x is 10, y is 14, which of the following is not a possible pair of corresponding values of x and y?
विकल्प
25 and 35
35 and 25
35 and 49
15 and 21
Advertisements
उत्तर
35 and 25
Explanation:
Both x and y vary directly with each other.
i.e. `x oo y`
If x = 10 and y = 14
So, `10 oo 14` or `5 oo 7`
This proportion is not follow in 35 and 25 pairs.
Hence, 35 and 25
APPEARS IN
संबंधित प्रश्न
Rohit bought 12 registers for Rs 156, find the cost of 7 such registers.
In a library 136 copies of a certain book require a shelf-length of 3.4 metre. How many copies of the same book would occupy a shelf-length of 5.1 metres?
Rakesh can do a piece of work in 20 days. How much work can he do in 4 days?
If x = 5y, then x and y vary ______ with each other.
If the thickness of a pile of 12 cardboard sheets is 45 mm, then the thickness of a pile of 240 sheets is ______ cm.
Write whether the following statement vary directly, vary inversely with each other, or neither of the two.
Income tax and the income.
A car covers a distance in 40 minutes with an average speed of 60 km/h. What should be the average speed to cover the same distance in 25 minutes?
Shabnam takes 20 minutes to reach her school if she goes at a speed of 6 km/h. If she wants to reach school in 24 minutes, what should be her speed?
A recipe for a particular type of muffins requires 1 cup of milk and 1.5 cups of chocolates. Riya has 7.5 cups of chocolates. If she is using the recipe as a guide, how many cups of milk will she need to prepare muffins?
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.
