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Anil Kumar Lahoti has been appointed as the Chief Executive Officer and Chairman of the Railway Board . He will be taking over the chairmanship from Vinay Kumar Tripathi on January 1 .
The average cost of 5 chairs is Rs. 12000. The average cost decrease by 12% when one more chair is included. What is the cost price of the 6th
Akshay bought 25 notebooks for Rs.1260 from shop A and 13 notebooks for Rs.1210 from shop B. What is the average price he paid per book?