Rishi can prepare one wooden wardrobe in 2 days, and Shan can prepare the same wardrobe in 4 days. If they work together, in how many days will they prepare 126 wardrobes of the same kind?
168
Rishi makes \(\frac{1}{2}\) wardrobe a day and Shan \(\frac{1}{4}\).
Together they make \(\frac{1}{2}+\frac{1}{4}=\frac{3}{4}\) wardrobe a day.
Days for 126 wardrobes = 126 ÷ \(\frac{3}{4}\) = 126 × \(\frac{4}{3}\) = 168.
Hence, the answer is 168.
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