UPSC Government Jobs Exams Category

If 49 = 26
36 = 72
25 = 32
16 = ?

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UPSC Other Question

Complete the series
1,3, ?,33,97,214 There are two types of fertilisers A and B. A consists of 10% nitrogen and 6% phosphoric acid and B consists of 5% nitrogen and 10% phosphoric acid. After testing the soil conditions, a farmer finds that he needs at least 14 kg of nitrogen and 14 kg of phosphoric acid for his crop. If A costs Rs. 61 kg and B costs Rs. 51 kg, determine how much of each type of fertiliser should be used so that nutrient requirements are met at minimum cost. What is the minimum cost?