The average daily income of 7 men, 10 women and 1 boy is Rs. 12. If the average daily income of the men is Rs. 17 and that of the women is Rs. 9. Find the boy's income per day
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The average daily income of men, 11 woman and 2 boys is Rs. 257.50. If the average daily income of the men is Rs 10 more than that of woman and the average daily income of the women is Rs. 10 more than that of boys the average daily income of a man is
A) Rs. 277.5
B) Rs. 250
C) Rs. 265
D) Rs. 257
Correct Answer:
C) Rs. 265
Description for Correct answer:
Let per day Income of Boy, woman, man are = x, x + 10, x + 20
According to the question
7M+11W+2B20=257.50
7 ( x + 20 ) + 11( x + 10 ) + 2x = 257.50 × 20
7x + 140 + 11x + 110 + 2x = 5150
20x = 5150 - 250
x=490020=245
Per day income of man = x + 20 = 245 + 20 = 265
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