HARD
10th Manipur Board
IMPORTANT
Earn 100

ABCD is a square of side 7 cm and semi-circles are drawn with each side of the square as diameter, thereby forming four similar petals as shown in the adjoining figure. Find the cost of making design on the petals at the rate of ₹12 per square centimetre. 

Question Image 

Important Questions on Mensuration

HARD
10th Manipur Board
IMPORTANT
Mathematics for Class 10>Chapter 12 - Mensuration>EXERCISE 12.3>Q 18
Semi-circles are described on the sides AB and CD of a rectangle ABCD as diameters, both inside the rectangle. If AB=14 cm and BC=7 cm, find the area enclosed by the-semi circles.
HARD
10th Manipur Board
IMPORTANT
Mathematics for Class 10>Chapter 12 - Mensuration>EXERCISE 12.3>Q 18
Semi-circles are described on the sides AB and CD of a rectangle ABCD as diameters, both inside the rectangle. If AB=14 cm and BC=7 cm, find the area of the portion of the rectangle lying outside the semi-circles. 
HARD
10th Manipur Board
IMPORTANT
Mathematics for Class 10>Chapter 12 - Mensuration>EXERCISE 12.4>Q 1
A solid wooden toy is in the shape of a cone surmounted on a hemisphere of the same radius 2.1 cm. If the total height of the wooden toy is 8.1 cm, find its total surface area and volume. 
HARD
10th Manipur Board
IMPORTANT
Mathematics for Class 10>Chapter 12 - Mensuration>EXERCISE 12.4>Q 2
A solid is in the form of a cylinder of diameter 7 cm with hemispherical ends. If the total length of the solid is 42 cm, find the total surface area and the volume of the solid. 
MEDIUM
10th Manipur Board
IMPORTANT
Mathematics for Class 10>Chapter 12 - Mensuration>EXERCISE 12.4>Q 3
An ice-cream is in the form of an inverted cone surmounted by a hemisphere of the same-radius. If the radius and the height of the cone are respectively 2.1 cm and 8 cm, find the volume of the ice-cream. 
 
MEDIUM
10th Manipur Board
IMPORTANT
Mathematics for Class 10>Chapter 12 - Mensuration>EXERCISE 12.4>Q 4
A cylindrical container of radius 3 cm and height 14 cm is filled with ice-cream. The ice-cream is to be distributed among 16 children in equal cones with hemispherical tops. If the height of the conical portion is 5 times the radius of its base, find the volume of each ice-cream cone. 
MEDIUM
10th Manipur Board
IMPORTANT
Mathematics for Class 10>Chapter 12 - Mensuration>EXERCISE 12.4>Q 5
A cylindrical vessel of radius 7 cm and height 30 cm is full of ice cream. How many ice-cream cones each of radius 3 cm and height 8 cm with hemispherical tops, can be formed with ice-cream from the vessel? 
HARD
10th Manipur Board
IMPORTANT
Mathematics for Class 10>Chapter 12 - Mensuration>EXERCISE 12.4>Q 6
A circus tent is in the shape of a cylinder of diameter 24 m and height 4 m surmounted by a cone of the same radius and height 5 m. Find the capacity of the tent and the cost of the canvas at the rate ₹120 per square metre.