Question
Which bacterium is responsible for causing peptic
ulcers?Solution
Helicobacter pylori is the bacterium identified as the primary cause of peptic ulcers, changing the understanding and treatment of stomach ulcers.
A rectangular park is 60 m long and 40 m wide. A uniform path of width 2 m is constructed inside the park along its boundary. Find the area of the path.
On a circular racetrack that measures 4,000 meters in circumference, Kia and Sia begin a race at the same point and at the same time, traveling at speed...
Steel is used to make a hemispherical bowl that is 0.3 cm thick. The bowl's inner radius is 9 cm. Find the bowl's outside curved surface.
- Find the area of sector of a circle whose radius is 14 cm and angle subtended by the sector at centre of circle is 45°.
The perimeter of 3 squares is 30 cm, 36 cm and 42 cm respectively. What will be the area of the square having perimeter equal to sum of edges of 3 squar...
The area of the rectangular field is 540 m² and its perimeter is 94 m. Find how much percent (approximately) less the breadth of the field is compared ...
A cube of side 14 cm is immersed completely in a cylindrical vessel of radius 10 cm. What will be the rise in the water level in the vessel due to the i...
The sum of the radius and height of a cylinder is 42m. The total surface area of the cylinder is 5544 m². What is the volume of the cylinder?
The perimeter of the rectangle is 50 cm and the breadth is 4 times the length. Find the area of rectangle.
The ratio of length to breadth of a rectangle is 8:5. When the length and breadth of the rectangle is increased by 40% and decreased by 25% respectively...
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