Question
It takes a team of either 20 boys or 35 girls, 27 days
to achieve a sales target. How many days will it take for a team consisting of 21 boys and 42 girls to complete the entire sales target?Solution
ATQ, Let efficiency of a boy and a girl be 'b' units/day and 'g' units/day, respectively. According to question, 20b = 35g 4b = 7g Total amount of targets = 20b × 27 = 540b units 21 boy and 42 girls = 21b + 42g = 21b + 6 × 7g = 21b + 24b = 45b Hence Desired time = (540b/45b) = 12 days
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64, 95, 150, 229, 334, 459Â
256Â Â Â 768Â Â Â 96Â Â Â 288Â Â Â 35Â Â Â 108
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2160, 360, 72, 18, 6, 2
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2Â Â Â Â Â 27Â Â Â Â Â Â 43Â Â Â Â Â 50 Â Â Â Â Â Â 56 Â Â Â Â Â Â Â 57
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