Cryogenics is the study of the production and behavior of materials at very low temperatures.
In a rectangular floor of length and breadth of 13 metres and 10 metres, respectively, square tiles each of 5 metre edge length are to be laid. If the c...
The diameter of a circle is 75 cm less than the circumference. What is the diameter of the circle in cm?
Find out the volume of a tetrahedron whose side is 6√2 cm³?
The radius of the two cylinders is in the ratio of 1: 4 and their heights are in the ratio of 4: 3. Their volumes will be in the ratio.
The total area of a circle and a square is 6350 cm2, the diameter of the circle is 70cm, what is the difference between the circumference of ...
If √̅1̅2̅-̅2̅√̅3̅5̅ + √̅8̅+̅2̅√̅1̅5̅ = √a + √b, where a and b are positive integers, then the value o...
An edge of a variable cube is increasing at the rate of 2 cm/s. How fast is the volume of the cube increasing when the edge is 12 cm long?
In a zoo, 30% of the people are males. 50% of the remaining are females and the remaining 630 are children. Find the total number of people in a zoo.
If the ratio of the heights of two cones is 3:2 and the diameters are in the ratio 5:6, what is the ratio of their volumes?
A giant circular wheel has a diameter of 7 metres. In how many revolutions will the wheel cover a total of 16.5 km?