Maths :: Time and Work
Direct variation and Indirect variation
Examples of Direct variation:
1. Interest and principal
More principal earns more interest
2. Salary (wages) and workers
More workers means more salary
3. Articles and cost
Purchase of more articles costs more money
4. Distance and time
More distance to travel, more time to spend
Examples of Indirect variation
1. Work and time
More number of workers, the lesser will be the time
i.e., less number of days
2. Speed and time
(i) Higher the speed, the lower is the time required to
cover a distance
(ii) A more capable person takes lesser time to
complete a job
3. Number and share
More persons means, less will be the share of
each person
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