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. 1780
B) Rs. 2040
C) Rs. 1830
D) Rs. 1680
E) None of these
Correct Answer: C
Solution :
Let us check for second, third and fourth month| Second month | 1st week | 2nd week | 3rd week | 4th week |
| Working hours | 7 | 3 | 7 | 3 |
| Wage per hour | Rs. 20 | Rs. 10 | Rs. 20 | Rs.10 |
| Total wages per day | Rs. 140 | Rs. 30 | Rs. 140 | Rs. 30 |
| Total wages per week | Rs. 840 | Rs. 180 | Rs. 840 | Rs.180 |
| Third month | 9th week | 10th week | 11th week | 12th week |
| Working hours | 6 | 4 | 6 | 4 |
| Wage per hour | Rs.20 | Rs.10 | Rs.20 | Rs.10 |
| Total wages per day | Rs.120 | Rs.40 | Rs.120 | Rs.40 |
| Total wages per week | Rs.720 | Rs.240 | Rs.720 | Rs.240 |
| Fourth month | 13th week | 14th week | 15th week | 16th week |
| Working hours | 8 | 0 | 8 | 0 |
| Wage per hour | Rs.20 | Rs.10 | Rs.20 | Rs.10 |
| Total wages per day | Rs.160 | Rs.0 | Rs.160 | Rs.0 |
| Total wages per week | Rs.960 | Rs.0 | Rs.960 | Rs.0 |
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