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Simplification Test 3

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Question : 16 of 40

Marks: +1, -0

In a regular week, there are 5 working days and for each day, the working hours are 8. A man gets Rs. 2.40 per hour for regular work and Rs. 3.20 per hour for overtime. If he earns Rs. 432 in 4 weeks. Then how many hours does he work for?

195
180
175
160

Solution:

Let, he works x hours for overtime.

Then, 4 × 5 × 8 × Rs. 2.40 + x × Rs. 3.20 = Rs. 432

⇒ 3.20x = 432 – 384

⇒ 3.20x = 48

\therefore x = \frac{489}{32} = 15\text{ hrs}

Hence, total number of working hours = 160 + 15 = 175

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