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A labourer is engaged for 20 days on the condition that he will receive Rs 60 for each day, he works and he will be fined Rs 5 for each day, he is absent. If he receives Rs 745 in all for how many days he remained absent?

Answer:

Let us consider the number of absent days as x

So, number of present days is (20 – x)

Wage for one day work = Rs 60

Fine for absent day = Rs 5

So,

60(20 - x) – 5x = 745

1200 – 60x – 5x = 744

-65x = 744-1200

-65x = -456

x = -456/-65

= 7

∴ For 7days the labourer was absent.

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