Question
The volume and height of a cylinder are 7436
cm3 and 14 cm. Find the radius of the cylinder.Solution
According to question, => (22/7) x r2Â x 14 = 7436 => r2Â = 169 => r = 13 cm
The ratio of the breadth to the length of a rectangular field is 3:4. The total cost of cutting the grass of the field at the rate of Rs 12 per m2<...
- A metal sphere with radius 17.5 cm is melted and molded into small cuboids each of size 7 cm × 5 cm × 5 cm. Determine the number of cuboids formed.
A paper is in the form of rectangular piece PQRS in which PQ = 40 cm and QR = 28 cm. A semi-circular portion with QR as diameter is cut off. Find the ar...
Radius and height of a right circular cone are 36 cm and 48 cm respectively. Cone is divided horizontally into three parts. Height of uppermost part is ...
The sum of the areas of two circles P and Q is 20020 cm2. If the product of the diameters of both circles P and Q is 12348 cm, then find out ...
If a six digit number 3x 7z 8y is divisible by 7, 11, 13, then the average value of x, y, z is:
The length of a rectangle, area of which is 315 cm2, is equal to the radius of a circle of area 3850 cm2. Find the perimeter of th...
Three cubes of metal whose edge are 6cm, 8cm and 10cm. respectively are melted and a single cube is formed. What is the length of the edge of the newly...
PQRS is a rectangle. T is a point on PQ such that RTQ is an isosceles triangle and PT = 5 QT. If the area of triangle RTQ is 12 √3 sq.cm, then the ar...
The value of (sin23° / cos67°) + (cos71° / sin19°) is: