The curved surface area and the diameter of a right circular cylinder are 660 sq.cm and 21 cm respectively. Find its height (in cm).
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ΔPQR is right angled at Q. If m∠R=300, then find the value of (cosP - 1/3).
What is the length of diagonal, if area of a rectangle is 168 sq.cm and breadth is 7 cm?
Calculate the pressure (in Pa) if a thrust of 1000 N is applied to an area of 5 sq.m.
The area of a rectangle is 448 sq.m. If the length is more than the breadth by 12%, find the breadth.
What will be the cost of levelling a circular ground of diameter 28 m, if charges are Rs. 125 per sq.m?
Find the surface area (in sq.cm) of a sphere of diameter 14 cm.
The area of a circle is 616 sq.cm. Find its radius (in cm).