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Q.

The work done by a man, a woman and a child are in the ratio 3 : 2 : 1. If the daily wages of 20 men , 30 women and 36 children amount to Rs . 78, what will be the wages of 15 men, 21 women and 30 children for 18 weeks?


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a

Rs.7371

b

Rs.8645

c

Rs.9000

d

Rs.9500 

answer is A.

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Detailed Solution

Concept- Time and work has been concerned with the amount of time it takes an individual or a group of individuals to complete a piece of work and the efficiency with which each of them completes it.
Here, the ratio of work done by the man, woman and child is Question Image.
Let their daily wages are Question Imageand Question Image respectively
Daily wages of Question Image men, Question Image women and Question Image children amount to Rs. 78.
Question ImageQuestion ImageQuestion ImageQuestion ImageDaily wage of 1 man is Question ImageDaily wage of 1 woman is Question Imageand daily wage of 1 child is Question ImageThe total wage of 15 men, 21 women and 30 children for one dayQuestion Image Question ImageQuestion ImageQuestion Image The wages of Question Image men, Question Image women, and 30 children for 18 weeks is
Question ImageRs. 7371
Hence, the correct answer is option 1) Rs.7371.
 
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