Advertisements
Advertisements
प्रश्न
Which of the following are in inverse proportion?
The time taken for a journey and the distance travelled in a uniform speed.
Advertisements
उत्तर
The distance travelled at a constant speed will rise or decrease if the journey's duration grows or decreases.
∴ The given statement is in direct proportion.
APPEARS IN
संबंधित प्रश्न
A contractor estimates that 3 persons could rewire Jasminder’s house in 4 days. If, he uses 4 persons instead of three, how long should they take to complete the job?
Find the constant of variation from the table given below:
| x | 3 | 5 | 7 | 9 |
| y | 12 | 20 | 28 | 36 |
Set up a table and solve the following problems. Use unitary method to verify the answer.
Which of the following quantities vary inversely as other?
Journey (x km) undertaken by a car and the petrol (y litres) consumed by it.
If 36 men can do a piece of work in 25 days, in how many days will 15 men do it?
A car can finish a certain journey in 10 hours at the speed of 48 km/hr. By how much should its speed be increased so that it may take only 8 hours to cover the same distance?
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?
A flood relief camp has food stock by which 80 people can be benefited for 60 days. After 10 days 20 more people have joined the camp. Calculate the number of days of food shortage due to the addition of 20 more people?
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?
Which quantities in the previous question vary inversely with each other?
Two persons could fit new windows in house in 3 days.
How many persons would be needed to fit the windows in one day?
