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प्रश्न
x and y are said to vary directly with each other if for some positive number k, ______ = k.
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उत्तर
x and y are said to vary directly with each other if for some positive number k, `underlinebb(x/y)` = k.
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संबंधित प्रश्न
Complite the following table given that x varies directly as y .
| x | 6 | 8 | 10 | ... | 20 |
| y | 15 | 20 | ... | 40 | ... |
A car is travelling at the average speed of 50 km/hr. How much distance would it travel in 12 minutes?
A worker is paid Rs 210 for 6 days work. If his total income of the month is Rs 875, for how many days did he work?
By travelling at a speed of 48 kilometres per hour, a car can finish a certain journey in 10 hours. To cover the same distance in 8 hours, the speed of the car should be ______.
The number of workers and the time to complete a job is a case of direct proportion.
Write whether the following statement vary directly, vary inversely with each other, or neither of the two.
The number of people working and the quantity of work.
Work with a partner to write at least five ratio statements about this quilt, which has white, blue, and purple squares.
How many squares of each colour will be there in 12 such quilts?
The following table shows the distance travelled by one of the new eco-friendly energy-efficient cars travelled on gas.
| Litres of gas | 1 | 0.5 | 2 | 2.5 | 3 | 5 |
| Distance (km) | 15 | 7.5 | 30 | 37.5 | 45 | 75 |
Which type of properties are indicated by the table? How much distance will be covered by the car in 8 litres of gas?
The students of Anju’s class sold posters to raise money. Anju wanted to create a ratio for finding the amount of money her class would make for different numbers of posters sold. She knew they could raise Rs 250 for every 60 posters sold.
- How much money would Anju’s class make for selling 102 posters?
- Could Anju’s class raise exactly Rs 2,000? If so, how many posters would they need to sell? If not, why?
