Question
Match the following influential figures to their
contributions to the environmental movement:Solution
The correct matches are: Rachel Carson as the author of Silent Spring (A-3), Gaylord Nelson as the founder of Earth Day (B-2), and James Hansen as a pioneer in global warming research (C-1).
Each interior angle of a regular polygon is 140°. Then find out how many diagonals are there?
If sum of all interior angles of a polygon is 2520, then number of sides of that polygon is
The ratio of the breadth to the length of a rectangular field is 3:4. The total cost of cutting the grass of the field at the rate of Rs 12 per m2<...
A circular pond is surrounded by a path 2 meters wide. The diameter of the pond is 28 meters. Find the cost of constructing the path at ₹140 per squar...
The perimeter of a rectangle is 140% more than perimeter of a square of side 15 cm. If the length of rectangle is 220% more than side of square then fin...
- The curved surface area of a cone is 2013.6 cm² and its radius is 12 cm. Determine the height.
The curved surface area of a hemisphere is 72π cm2, then its radius is:
A rectangular room measures 25 metres in length and has a perimeter of 78 metres. Calculate the total cost to carpet this room at a rate of Rs. 8 per sq...
A square whose diagonal is 12 √2 cm is made base of the pyramid. if height of the pyramid is 18cm, then what is the total surface area of the pyramid....
A tank whose length, width and height are 21 metres, 17 metres and 10 metres respectively is completely filled with juice. If the juice costs Rs.5/m
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