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QA – Placement Quizzes | Work and Wages | Question 12

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32 Bakers working 6 hours a day can make 400 cakes in 25 days. If 30 such bakers are given a contract to make 300 cakes in 24 days, how many hours a day should they work? (A) 4 (B) 5 (C) 6 (D) 8

Answer: (B)

Explanation: Here, we need to apply the formula M1 D1 H1 E1 / W1 = M2 D2 H2 E2 / W2, where M1 = 32 bakers D1 = 25 days H1 = 6 hours/day W1 = 400 cakes E1 = E2 = Efficiency of each baker M2 = 30 bakers D2 = 24 days H2 = Daily working hours for 30 bakers W2 = 300 cakes   So, we have 32 x 25 x 6 / 400 = 30 x 24 x H2 / 300 => H2 = 5 Therefore, 30 bakers should work 5 hours / day to make 300 cakes in 24 days.

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Last Updated : 28 Jun, 2021
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