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5 An Employer pays Rs. 20 for each day a worker works, and forfeits Rs. 3 for each day he is idle. At the end of 60 days, a worker gets Rs. 280. For how many days was the worker out of work?
A. 20
B. 30
C. 11
D. 40
See Answer & Explanation Lets Discuss
Correct answer is : D
Explanation

Suppose the worker remained idle for x days. Then,

he worked for (60 – x) days.

20 (60 – x) – 3x = 280

=> 1200 – 23x = 280

=> 23x = 920

=> x = 40

So, the worker remained idle for 40 days.

 

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