The least number of square tiles required to pave the ceiling of a room 525 centimetre long and 378 centimetre broad is:
Two successive increases of 15% each, is by what percentage more than the two successive decreases of 12% each? (Rounded off to 2 decimal places)
A cylindrical disc of thickness 1 cm is made by melting two solid cylinders of radii 4 cm and 5 cm, and length 6 cm and 4 cm, respectively. The radius of the new cylinder is:
Find the area of the quadrilateral ABCD, the coordinates of whose vertices are A(6,-3),B(-4,-2),C(3,1) and D(5,0)?
The lengths of the two diagonals of a rhombus are 20 cm and 23 cm. What is the area (in cm?) of the rhombus?
The area of a regular hexagon is 2048√3 cm². What is the length (in cm) of each side of the hexagon?
The standard deviation of a group of numbers is 10. If each number is multiplied by 2 and then 1 is subtracted , what is the new standard deviation ?
An equilateral triangle of side 3cm has its corners cut-off to form a regular hexagon.What is the ratio of the areas of the two polygons
If A(2,3), B (4,6) , C(10,15) are three collinear points, then B divides the line segment joining A and C in the ratio :
Surface area of a solid sphere is 4 square centimeters. If it is cut into two hemispheres , what would be the surface area of each hemisphere ?
What is the ratio of base radius and slant height of a cone made by rolling up a sector of central angle 60° ?
In a rectangle the length is increased by 40% and the breadth is decreased by 40% .Then the area is :
The average of 8 numbers is 100. The difference between the two greatest number is 20. Average of the remaining numbers is 85. The greatest number is :
What is the ratio of the base radius and slant height of a cone ,ade by rolling up a sector of central angle 60° ?
A sector of central angle 60° is cut off from a circle of radius 24 cm to form a cone. The base radius of the cone is
The base edges and lateral edges of a square pyramid are equal. If the base edge is 6 cm then the volume of the pyramid is :
The tangents through the ends of two perpendicular diameters of a circle form which of the following quadrilaterals ?
Sector having equal central angle of two circles have arc length 1.28 and 0.32. What is the ratio of their radii ?
The coordinates of a point where two lines parallel to the coordinates axes intersect each other is (-6,8). What is the distance of the point from the origin ?
If A(2,3) , B(4,6), C(10,15) are three collinear points, then B divides the line segment joining A , C in the ratio:
A(4,5) and B(7,-1) are two given points, and the point C divides the line segment AB externally in the ratio 4:3, Find the coordinates of C .
If a point P(k,7) divides the line segment joining A(8,9) and B(1,2) in a ratio m:n then find the values of m and n.
Find the coordinates of point C(x,y) where it divides the line segment joining (4,-1) and(4,3) in the ratio 3:1 internally ?