Advertisements
Advertisements
प्रश्न
Write whether the following statement vary directly, vary inversely with each other, or neither of the two.
The number of people working and the time to complete a given work.
Advertisements
उत्तर
The number of people working and the time to complete a given work are inversely proportional to each other.
E.g. Let 20 workers can complete a work in 1 day.
Then, 10 workers can complete the same work in 2 days.
APPEARS IN
संबंधित प्रश्न
Which of the following are in inverse proportion?
The time taken for a fixed journey and the speed of the vehicle.
Three spraying machines working together can finish painting a house in 60 minutes. How long will it take for 5 machines of the same capacity to do the same job?
Five workers take 12 days to weed a field. How many days would 6 workers take? How many would 15 take?
The stock of grain in a government warehouse lasts 30 days for 4000 people. How many days will it last for 6000 people?
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?
Neelaveni goes by bicycle to her school every day. Her average speed is 12 km/hr and she reaches school in 20 minutes. What is the increase in speed, If she reaches the school in 15 minutes?
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?
When two quantities are related in such a manner that if one increases and the other decreases, then they always vary inversely.
If x varies inversely as y and when x = 6, y = 8, then for x = 8 the value of y is 10.
Write whether the following statement vary directly, vary inversely with each other, or neither of the two.
The height of a tree and the number of years.
