Advertisements
Advertisements
प्रश्न
Two quantities x and y are said to vary directly with each other if for some rational number k, xy = k.
विकल्प
True
False
Advertisements
उत्तर
This statement is False.
Explanation:
Two quantities x and y are said to vary directly with each other, if xy = k ...(Constant)
APPEARS IN
संबंधित प्रश्न
A mixture of paint is prepared by mixing 1 part of red pigments with 8 parts of base. In the following table, find the parts of the base that need to be added.
| Parts of red pigment | 1 | 4 | 7 | 12 | 20 |
| parts of base | 8 | .... | .... | .... | .... |
A machine in a soft drink factory fills 840 bottles in six hours. How many bottles will it fill in five hours?
A 5 m 60 cm high vertical pole casts a shadow 3 m 20 cm long. Find at the same time the length of the shadow cast by another pole 10 m 50 cm high.
Fill in the blank in of the following so as to make the statement true:
If u = 3 v, then u and v vary .... with each other.
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?
6 men can complete the electric fitting in a building in 7 days. How many days will it take if 21 men do the job?
In which of the following case, do the quantities vary directly with each other?
For fixed time period and rate of interest, the simple interest is directly proportional to the principal.
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?
Kusum always forgets how to convert miles to kilometres and back again. However she remembers that her car’s speedometer shows both miles and kilometres. She knows that travelling 50 miles per hour is same as travelling 80 kilometres per hour. To cover a distance of 200 km, how many miles Kusum would have to go?
