Dodecahedron has 20 vertices. How many edges does it have?
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If 2y cosθ = x sinθ and 2x secθ - y cosecθ = 3 then what is the value of x2+4y2
If the average age of four children is 12 years and the average age of these children and their fathers is 20 years, what is the age of the father?
The age of Dr. Pandey is four times the age of his son. After 10 years , the age of Dr. Pandey will be twice the age of his son . The present age of Dr. Pandey's son is
In the given figure, the length of arc BC of the given circle is 44 cm. If O is the centre of circle, then what is the radius (in cm) of the circle?
Volume of a cube is 512 cubic cm, find its total surface area? (Take π = 22/7)
Find the HCF & LCM of 16, 24.
What is the value of cot 11π/6?
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