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 remains absent?

Chapter/Topic: Tangent to a circle

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3 days

5days

7 days

9 days

answer is C.

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Detailed Solution

Suppose the labourer worked for x days,
The is absent for (20−x) days
Now,According to the given condition: 60x−(20−x)×5=745
60x−100+5x=745
65x=845
x=13,
So the labourer remain absent for 7 days and worked for 13 days.
Hence, the correct option is (3).

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