Advertisements
Advertisements
प्रश्न
Both x and y are in direct proportion, then `1/x` and `1/y` are ______.
विकल्प
in indirect proportion.
in inverse proportion.
neither in direct nor in inverse proportion.
sometimes in direct and sometimes in inverse proportion.
Advertisements
उत्तर
Both x and y are in direct proportion, then `1/x` and `1/y` are in inverse proportion.
Explanation:
If both x and y are in directly proportion, then `1/x` and `1/y` are in inverse proportion.
Hence, in inverse proportion.
Notes
Two quantities x and y are said to be in inverse proportion, if an increase in x cause a proportional decrease in y and vice-versa.
APPEARS IN
संबंधित प्रश्न
A 5 m 60 cm high vertical pole casts a shadow 3 m 20 cm long. Find at the same time the height of a pole which casts a shadow 5 m long.
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?
Neha types 75 pages in 14 hours. How many pages will she type in 20 hours?
If 7 m cloth costs ₹ 294, then the cost of 5 m of cloth is ________
Write whether the following statement vary directly, vary inversely with each other, or neither of the two.
Distance travelled by an auto-rickshaw and time taken.
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?
If Naresh walks 250 steps to cover a distance of 200 metres, find the distance travelled in 350 steps.
A water tank casts a shadow 21 m long. A tree of height 9.5 m casts a shadow 8 m long at the same time. The lengths of the shadows are directly proportional to their heights. Find the height of the tank.
Kritika is following this recipe for bread. She realises her sister used most of sugar syrup for her breakfast. Kritika has only `1/6` cup of syrup, so she decides to make a small size of bread. How much of each ingredient shall she use?
Bread recipe
1 cup quick cooking oats
2 cups bread flour
`1/3` cup sugar syrup
1 tablespoon cooking oil
`1 1/3` cups water
3 tablespoons yeast
1 teaspoon salt.
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. Could Anju’s class raise exactly Rs 2,000? If so, how many posters would they need to sell? If not, why?
