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At room temperature (~20°C), speed of sound in air is around 343 m/s. This speed increases in solids and liquids and decreases at higher altitudes. It is much slower than light, which travels at 3 × 108, m/s. That's why we see lightning before hearing thunder.
The radius of a circle is derived from its circumference, which measures 88 meters. A rectangle features a length that exceeds the circle’s radius by ...
The volume of a rectangular tank is 1680 m³, and the ratio of its length, width, and height is 7:6:5, respectively. What is the length of the rectangul...
A rectangular piece of copper foil of length 63 cm and area 1386 cm2 is folded along its width to form a cylinder such that there is only one...
The perimeter of a rectangular field is 70 metres and its area is 100.5 m2 . What is the length of the diagonal of this field?
A tank whose length, width and height are 20 metres, 18 metres and 10 metres respectively is completely filled with juice. If the juice costs Rs.4/m
The angle of elevation of a pole from a point, which is 20 m away from the foot of the pole is 45°. Find the height of the pole.
If base of a prism is square of side 5 cm & height is 30 cm . What is the volume of prism?
Rajnish bought a rectangular canvas of size 44cm x 23cm and rolled it in such a way that it formed a cylindar with height as 23cm. What is the...
A cylinder has a radius of 4 cm and a height of 10 cm. A cone with the same radius is placed inside the cylinder, touching the bottom and the sides. If ...
