8th Class Mathematics Related to Competitive Exam Direct Variations

Direct Variations

Category : 8th Class

*         Direct Variation

 

Two quantities are said to varies directly if increase in one quantity results the increase in other.  

 

 

(i) The cost of articles varies directly as the number of articles increases.

(ii) The distance covered by a moving object varies directly as its speed increases or decreases. (It means if speed increases then the more distance covered in the same time).

(iii) The work done varies directly as the number of men increases.

(iv) The work done varies directly as the working time increases.  


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