the total cost of 12 pens and 5 pencils are equal to Rs. Also the cost of 1 pencil is Rs. 5 less than the cost of 1 pen. What will be the cost of 8 pens and 9 pencils...?
(A) 78
(B) 89
(C) 91
(D) 97
✅ Correct Answer:91
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the total cost of 12 pens and 5 pencils are equal to Rs. Also the cost of 1 pencil is Rs. 5 less than the cost of 1 pen. What will be the cost of 8 pens and 9 pencils...?