Question
Kindly Study the following questions carefully and
choose the right answer: Which of the following is/are true about the human heart? I. The heart has valves to ensure blood does not flow backwards when the atria or ventricles contract. II. Oxygen-rich blood from the lungs enters the heart via the right atrium. III. Ventricles have thicker muscular walls than the atria.ÂSolution
Statement I is correct. Statement III is correct. Statement II is incorrect as oxygenated blood enters the heart via the Left Atrium. Hence, option C is correct.Â
What is the difference between (in m2) the area of a circular field of radius 35 metres and area of a rectangular piece of land having its di...
There is a carpet of length 20 m. How many small pieces of carpet, each of length 4 m, can be cut out of it?
Find out the volume of a tetrahedron whose side is 6√2 cm³?
An angle is equal to 2/4 of its supplement. The angle is :
Area of a rectangle is equal to the total surface area of a hemisphere having volume 13718 cm³ . Find the perimeter of the rectangle if its length is 1...
A cuboidal water tank with dimensions 32 metres × 22 metres × 28 metres is filled to 40% of its total capacity . The water is then transferred to a cy...
A cone and a cylinder have the same radius and height. If the volume of the cone is 100 cm³, what is the volume of the cylinder?
The ratio of the number of English books to Hindi books in a library shelf is 5:3. If 108 Hindi books are written by Pradeep, which constitutes 36% of t...
The ratio of length to breadth of a rectangle is 5:4, respectively. Perimeter of rectangle is 144 cm. If each side of a square is 25% more than the brea...
The area of a square is 225 cm². The breadth of a rectangle is 20% more, and the length is 50% more than the side of the square. Find the ratio of the ...
Relevant for Exams:
