Directions (Q. 21 - 24): Study the following graph carefully to answer the questions that follow: Mr. Sushil works p hours a days and rest q hours a day. This pattern continues for 1 week, with an exactly opposite pattern next week, and so on for four weeks. Every fifth week he has a different pattern when he works longer than he rests, his wage per hour is twice what he earns per hour when he rests longer than he works. The following are his daily working hours for the week numbered 1 to 13.
1st week | 5th week | 9 th week | 13 th week | |
Rest | 2 | 3 | 4 | 0 |
Work | 5 | 7 | 6 | 8 |
A) Rs. 7320
B) Rs. 7800
C) Rs. 7200
D) Rs. 9600
E) None of these
Correct Answer: C
Solution :
For the fourth month Fourth months:9th week | 10th week | 11th week | 12th week | |
Hour of rest | 0 | 8 | 0 | 8 |
Working hours | 8 | 0 | 8 | 0 |
Wage per hour of week | Rs.25 | Rs.12.5 | Rs.25 | Rs.12.5 |
Fine per hour of rest | Rs.5 | Rs.5 | Rs.5 | Rs.5 |
Total wage per day | Rs.200 | 0 | Rs.200 | 0 |
Total fine per day | Rs.0 | Rs.40 | Rs.0 | Rs.40 |
Effective wage per day | Rs.200 | -Rs.40 | Rs.200 | -Rs.40 |
Total wage per week | Rs.1200 | -Rs.240 | Rs.1200 | -Rs.240 |
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