The cost of 7 pens is rs.105 then cost of 5 pens
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3
Answer:
Rs.75
Step-by-step explanation:
If the cost of 7 pens is Rs. 105
so the cost of 1pen is Rs. 105/7
= Rs. 15
The cost of 5 pens = Rs. 15 * 5
= Rs. 75
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