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Question

# A contractor employed 18 labourers at Rs. 12 each per day, 10 labourers at Rs. 13.50 each per day, 5 labourers at Rs. 25 each per day and 2 labourers at Rs. 42 each per day. The average wages paid is _________.

A
Rs. 16
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B
Rs. 20
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C
Rs. 24
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D
Rs. 28
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Solution

## The correct option is C Rs. 16From the given data,Total wages paid =(18×12)+(10×13.5)+(5×25)+(2×42)=560.Total number of labourers are =18+10+5+2=35.We know, Mean is given by,Mean=Sum of the elementsTotal number of elements.Therefore, the average wages paid is =56035=Rs.16.Hence, option A is correct.

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