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If the cost of 3 ball pens is ₹ 15, then what is the cost of 6 such pens? |
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Answer» 3 : 15 : : 6 : cost Cost x 3 = 15 × 6 ∴ Cost = \(\frac {15\times6}{3}\) = ₹ 30 cost of 3 ball pens =15₹ the cost of 6 such pen =? =15×6÷3 =90÷3 =30 cost of 6 pens is 30₹ |
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