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The table below shows the daily expenditure on food of \(25\) households in a locality.
 
Daily expenditure (in ₹) \(100-150\) \(150-200\) \(200-250\) \(250-300\) \(300-350\)
Number of households \(4\) \(5\) \(12\) \(2\) \(2\)
 
Find the mean daily expenditure on food by a suitable method.
 
Mean daily expenditure \(=\)