The area of a circle is 346.5 cm². Find its radius (in cm).
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A tetrahedron has 4 vertices. How many edges does it have?
Two circles are having radii 9 cm and 12 cm. The distance between their centres is 15 cm. What is the length (in cm) of their common chord?
The mean of the data 1, 2, 10, 18, 3, 17, 19 is
If cot -4π/3 = x, then the value of x is
Find the value of 'a' for which x+3x+a24 is a perfect square.
In the following question, select the related number from the given alternatives. 695 : 659 : : 839 : ?
What is 15% of 34 ?
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