Q. 15.0( 1 Vote )

Complete the following table showing an instance of inverse proportion. The table shows the number of workers carrying out a task and the number of days they take to do it.


Answer :

Let the missing values be x, y, z as shown



Let ‘a’ be some value in number of workers and ‘b’ be some value in days


Given a a = k × ab = k


When number of workers = 30 i.e. a = 30


days require = 4 i.e. b = 4


using k = ab


k = 30 × 4


k = 120


As by given it is inverse proportion


8x = 10y = 24z = 120


Consider 8x = 120


x = = 15


x = 15


Consider 10y = 120


y = = 12


y = 12


Consider 24z = 120


z = = 5


z = 5


The table becomes



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