Advertisements
Advertisements
Question
Which of the following are in inverse proportion?
The time taken for a fixed journey and the speed of the vehicle.
Advertisements
Solution
For a fixed journey, if the speed of the vehicle increases (decreases), then the time taken for the journey will decrease (increase).
∴ The given statement is in inverse proportion.
APPEARS IN
RELATED QUESTIONS
A car takes 2 hours to reach a destination by travelling at the speed of 60 km/h. How long will it take when the car travels at the speed of 80 km/h?
A school has 8 periods a day each of 45 minutes duration. How long would each period be, if the school has 9 periods a day, assuming the number of school hours to be the same?
In which of the following table x and y vary inversely:
| x | 4 | 3 | 6 | 1 |
| y | 9 | 12 | 8 | 36 |
It takes 60 days for 10 machines to dig a hole. Assuming that all machines work at the same speed, how long will it take 30 machines to dig the same hole?
Forty students stay in a hostel. They had food stock for 30 days. If the students are doubled then for how many days the stock will last?
In a school there is 7 periods a day each of 45 minutes duration. How long each period is if the school has 9 periods a day assuming the number of hours to be the same?
Six men can complete a work in 12 days. Two days later, 6 more men joined them. How many days will they take to complete the remaining work?
Write whether the following statement vary directly, vary inversely with each other, or neither of the two.
Increase in cost and number of shirts that can be purchased if the budget remains the same.
Sobi types 108 words in 6 minutes. How many words would she type in half an hour?
Find the values of x and y if a and b are in inverse proportion:
- 12 x 8
- 30 5 y
