Question
A body falls freely from a height of 80 m. Time taken to
reach the ground is:Solution
If a triangle with base 10 cm has the same area as a circle with radius 10 cm, then the corresponding altitude (in cm) of the triangle is:Â
Perimeter of a square and circumference of a circle are in the ratio 7:11, respectively. If area of the square is 49 cm2, then find the radiu...
The length of a rectangle is 4 cm more than the radius of a circle. The perimeter of the rectangle is 96 cm, and the ratio of its length to breadth is 8...
- Find the volume of a sphere whose diameter is 10.5 cm. (Take π = 22/7)
The circumference of a square and the circumference of a cube are equal. The numerical value of the total surface area of the cube is 25 times the perim...
Perimeter of a square is equal to perimeter of a rectangle, if area of square is 729 sq.cm and length of rectangle is two times that of breath. Find the...
In a cricket match the captain of one of a team scored 26 runs more than the average runs scored by the remaining 10 batsmen of that team who batted in ...
The volume of a cube is 216 cm³. If the cost of painting the cube is Rs. 12 per cm², then find the cost of painting five faces of the cube.
The perimeter of 4 squares is 20 cm, 24 cm, 32 cm and 36 cm respectively. What will be the area of the square having perimeter equal to sum of edges of ...
The length, breadth and height of a storeroom are 14m, 5m and 8m respectively. If each box occupies 40 m3 of space, then how many boxes can b...