• question_answer The ratio of lemons to number of cups of water to be mixed to prepare lemon juice is 3 :5. For 12 lemons what is the number of cups of water required? A)  10                                         B)  15C)  20                           D) 25

Solution :

Given ratio =3:5 lemons = 12 (i.e.,$3\times 4$)water = ? \begin{align} & \,\,3\,\,\,\,\,:\,\,\,\,\,5 \\ & \times 4\,\,\,\,\,\,\,\,\times 4 \\ \end{align} $\therefore$ The required number of cups of water =20

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