What is the total surface area (in sq cm) of a hollow cylinder open at both ends, if its length is 22 cm, external radius is 7 cm and thickness is 1 cm? (Take π = 22/7)
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Which one of the following combination of measurements can form the sides of a triangle?
An angle is smaller than its supplementary by 30°. What is the measure of the angle?
PQR is an equilateral triangle. MN is drawn parallel to QR such that M is on PQ and N is on PR. If PN = 6 cm, then the length of MN is
Find the total surface area (in cm²) of a right circular cone of diameter 14 cm and slant height 10 cm.
Two circles of radii 17 cm and 8 cm are concentric. The length of a chord of greater circle which touches the smaller circle is
What is the simplified value of (cosec A + sin A)(cosec A – sin A)?
If 1+121+141+161+181-131-151-17 = 1+ 1x, then what is the value of x?
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