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The COP16 biodiversity talks in Cali, Colombia, ended without an agreement, with funding remaining a contentious issue.
At the end of a business conference the ten people present all shake hands with each other once. How many handshakes will there be altogether?
Length of a rectangle is equal to the side of a square. If area of the square and rectangle is 729 m2 and 297 m2, respectively the...
A race track is in the shape of a rectangle with length of 25 metres and area of 4500 m2. A car takes 10 seconds to make one lap around the p...
A sphere is melted and recast into 64 smaller spheres of equal size. If the radius of the original sphere is 16 cm, find the radius of each smaller sphere.
If the radius of a right circular cylinder open at both ends, is decreased by 25% and the height of the cylinder is increased by 20%, then the percentag...
Perimeter of a rectangle is 40% more than that of a square of side 40 cm. If difference between length and breadth of the rectangle is 8 cm, then find t...
The area of the rectangular field is 720 m² and its perimeter is 106 m. Find how much percent less the breadth of the field is compared to the length o...
Area of a rectangle is equal to the total surface area of a hemisphere having volume 4394 cm³ . Find the perimeter of the rectangle if its length is 12...
The angle of elevation of the top of a tower from a point on the ground which is 45 meters. away from the foot of the tower is 30°. The height of the t...
A wire is bent to form a square whose sides are of 88 cm. If the same wire is bent to form a circle, then find the area (in cm2) of the circl...