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Amount of urea= N application rate kg/ha/N% in urea*100 =120/46*100= 260.87 kg/ha 260.87 kg urea is applied in 1 ha i.e. 10,000m2 area Therefore in 4000 m2, urea amount will be=260.87/10,000*4000= 104.38 kg
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?