exam
Maths Puzzle
Numerical Ability
The equatiopn of a circle is x^2 + y^2 = 50. the region enclosed by the circle is also divided into two parts. find the area of the smaller one.
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exam Other Question
The weight of 1m^3 of air is approximately 1.3 x 10^3 g. Suppose that the volume of air inside of a building is 3 x 10^6 m^3. How much does the air inside the building weigh?
Perform the indicated operations:
(5x2 - 3x + 2) + (-3x2 - 5x - 8) - (x2 + 3x - 10)