MEDIUM
10th ICSE
IMPORTANT
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A semi-circular lamina of radius 35 cm is folded so that the two bounding radii are joined together to form a cone. Find : the radius of the cone.

Important Questions on Mensuration

HARD
10th ICSE
IMPORTANT
Understanding ICSE Mathematics Class 10>Chapter 17 - Mensuration>Exercise 17.2>Q 18
A semicircular lamina of radius 35 cm is folded so that the two bounding radii are joined together to form a cone. Find : the (lateral) surface area of the cone.
HARD
10th ICSE
IMPORTANT
Understanding ICSE Mathematics Class 10>Chapter 17 - Mensuration>Exercise 17.3>Q 1

Find the surface area and volume of a sphere of radius 14 cm.
(Take π=227)

HARD
10th ICSE
IMPORTANT
Understanding ICSE Mathematics Class 10>Chapter 17 - Mensuration>Exercise 17.3>Q 2
Find the surface area and volume of a sphere of diameter 21 cm.
(Take π=227)
HARD
10th ICSE
IMPORTANT
Understanding ICSE Mathematics Class 10>Chapter 17 - Mensuration>Exercise 17.3>Q 3
A shot-put is a metallic sphere of radius 4.9 cm. If the density of the metal is 7.8 g per cm3, find the mass of the shot-put.
(Note: Consider π=227)
HARD
10th ICSE
IMPORTANT
Understanding ICSE Mathematics Class 10>Chapter 17 - Mensuration>Exercise 17.3>Q 4
Find the diameter of a sphere whose surface area is 154 cm2.
(Note: Consider π=227)       
MEDIUM
10th ICSE
IMPORTANT
Understanding ICSE Mathematics Class 10>Chapter 17 - Mensuration>Exercise 17.3>Q 5
Find the curved surface area of a hemisphere of radius 21 cm.
(Note: Consider π=227)
MEDIUM
10th ICSE
IMPORTANT
Understanding ICSE Mathematics Class 10>Chapter 17 - Mensuration>Exercise 17.3>Q 5
Find the total surface area of a hemisphere of radius 21 cm.
(Note: Consider π=227)
MEDIUM
10th ICSE
IMPORTANT
Understanding ICSE Mathematics Class 10>Chapter 17 - Mensuration>Exercise 17.3>Q 6
A hemispherical brass bowl has inner-diameter 10.5 cm. Find the cost of tin-plating it on the inside at the rate of ₹ 16 per 100 cm2.