Advertisements
Advertisements
Question
Fill in the blank in of the following so as to make the statement true:
x and y are said to vary directly with each other if for some positive number k ....,...... = k.
Advertisements
Solution
\[\text{ x and y are said to vary directly with each other if } \frac{x}{y} = k,\text{ where k is a positive number } \] .
APPEARS IN
RELATED QUESTIONS
Suppose 2 kg of sugar contains 9 × 106 crystals.
How many sugar crystals are there in
- 5 kg of sugar?
- 1.2 kg of sugar?
A loaded truck travels 14 km in 25 minutes. If the speed remains the same, how far can it travel in 5 hours?
Complite the following table given that x varies directly as y .
| x | 4 | 9 | ... | ... | 3 | ... |
| y | 16 | ... | 48 | 36 | ... | 4 |
Rohit bought 12 registers for Rs 156, find the cost of 7 such registers.
A car is travelling at the average speed of 50 km/hr. How much distance would it travel in 12 minutes?
If 12 boys earn Rs 840 in 7 days, what will 15 boys earn in 6 days?
100 persons had food provision for 24 days. If 20 persons left the place, the provision will last for ______.
When two quantities x and y are in ______ proportion or vary ______ they are written as `x oo y`.
In direct proportion, `a_1/b_1` ______ `a_2/b_2`
A volleyball court is in a rectangular shape and its dimensions are directly proportional to the dimensions of the swimming pool given below. Find the width of the pool.

