Question
In how many ways Barcelona’s football team captain
and vice-captain be elected from a team of 15 men?Solution
To do this, if captain is selected first, then we have 15 ways of doing this. For election of vice-captain, we have 14 ways left, because 1 way is already consumed. So, the required answer = 14 × 15 = 210
If the cube with a 24√3 cm diagonal is melted then how tall is the height of the cuboid, if the length of the cuboid is equal to the arm of the cube, ...
The perimeter of a rectangular field is 22 metres and its area is 20 m^2 . What is the length of the diagonal of this field?
The volume of a solid cube is 729 m3. If whole cube is to be painted at a rate of Rs. 8 per m2, then what will be the cost of pain...
If the area of a square field is 576 m 2 , then find the diagonal of the square field.
<p><p>The length of sides of a square is twice the radius of a circle and perimeter of a rectangle is half the perimeter of the squa...
Calculate the area of the square whose perimeter is equal to the perimeter of a rectangle which has length 22 cm & breadth 14 cm .
Perimeter of a square is equal to the perimeter of a circle that is 792 cm. Find the ratio of the side of the square to the radius of the circle.
A rectangular park with length and breadth of 16m and 20m, is surrounded by a path of 6m wide. Find the area of the path.
If the ratio of areas of two circle is 9:25, then the ratio of their circumferences will be:
Cylinder radius = 7 cm, height = 12 cm. It is melted into cones of radius 3.5 cm, height 8 cm. Find number of cones.
Relevant for Exams:
