The difference between a number and the square root of the number is 2. The number is:

The measure of an angle whose supplement is three times as large as its complement, is 

Find the radius of the circle x²+y²-4x+6y=12

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The yield per acre produced by Bangladesh is what percent of the total yield per acre produced by all countries?

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If the yield per acre is arranged in ascending order, then what is the difference between the yield per acre of first three countries and last three countries?

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The yield per acre of India is what percent more than that of Pakistan?

A cylindrical container of 32 cm height and 18 cm radius is filled with sand. Now all this sand is used to form a conical heap of sand. If the height of the conical heap is 24 cm, what is the radius of its base? 

The diameters of two cylinders are in the ratio 3:2 and their volumes are equal. The ratio of their heights is