जॉइन Examsbookउत्तर :
In what proportion water must be added to spirit to gain 20% by selling it at the cost price ?5
प्र: In what proportion water must be added to spirit to gain 20% by selling it at the cost price ?
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उत्तर :
व्याख्या :
Let the C.P of spirit be = Rs.10 per litre Then S.P l litre of the mixture = Rs. 11 Profit = 20% Therefore, C.P of the mixture = Rs. 100120×10 = Rs. 25/3 per litre Therefore, Ratio of water and spirit = 1 : 5
समान प्रश्न
Since Nithya and Suganya exchange places, so Rita’s new position is the same as Monika’s earlier position. This position is 17th from the right and 10th from the left. Therefore Number of girls in the row = (16 + 1 + 9) = 26.