37. 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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Answer:
Rs. 7
Step-by-step explanation:
Daily income of 1 man = rs. 17
Daily income of 7 men = rs. (17×7) = rs. 119
Similarly
Daily income of 1 woman = rs. 9
Daily income of 10 woman = rs. (10×9) = rs. 90
Now, boy's income = total amount (total no. of working person×average amount) - combined amount of 7 man and 10 woman
= rs. (12×18) - rs (119+90)
= rs. 7
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Answer:
proved
Step-by-step explanation:
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