Question
What is the most abundant gas in the Earth's
atmosphere.Solution
 Nitrogen makes up about 78% of the Earth's atmosphere, making it the most abundant gas.
The volume of a cube is 216 cm³. If the cost of painting the cube is Rs. 12 per cm², then find the cost of painting five faces of the cube.
A race track is in the shape of a rectangle with length of 10 metres and area of 3600 m2. A car takes 20 seconds to make one lap around the p...
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The length, breadth and height of a solid cuboidal box are in the ratio 7 : 5 : 3 and its total surface area is 11502cm2. Its breadth is:
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The circumference of a semi-circle is 108 cm. What is the area of the circle with the same radius as the semi-circle? (Take π = 22/7)
The circumference of a circle is 110 cm and the length of the rectangle is 4 times the radius of the circle. Find the area (in cm2) of the re...
The external dimensions of an open rectangular wooden box are 88 cm by 74cm by 67cm. If the wood is 2cm thick all around, find the amount of volume of w...
A tank whose length, width and height are 19 metres, 14 metres and 10 metres respectively is completely filled with juice. If the juice costs Rs.5/m
