EASY
10th Tamil Nadu Board
IMPORTANT
Earn 100

The difference between the C.S.A. and the T.S.A. of a cone is _____ .

Important Questions on Mensuration

MEDIUM
10th Tamil Nadu Board
IMPORTANT
Mathematics Standard 10>Chapter 7 - Mensuration>Exercise 7.1>Q 1
The radius and height of a cylinder are in the ratio 5:7 and its curved surface area is 5500 sq.cm. Find its radius and height.
MEDIUM
10th Tamil Nadu Board
IMPORTANT
Mathematics Standard 10>Chapter 7 - Mensuration>Exercise 7.1>Q 2
A solid iron cylinder has total surface area of 1848 sq.m. Its curved surface area is five - sixth of its total surface area. Find the radius and height of the iron cylinder.
MEDIUM
10th Tamil Nadu Board
IMPORTANT
Mathematics Standard 10>Chapter 7 - Mensuration>Exercise 7.1>Q 3
The external radius and the length of a hollow wooden log are 16 cm and 13 cm respectively. If its thickness is 4 cm then find its T.S.A in cm2.
HARD
10th Tamil Nadu Board
IMPORTANT
Mathematics Standard 10>Chapter 7 - Mensuration>Exercise 7.1>Q 4
A right-angled triangle PQR where ∠Q=90° is rotated about QR and PQ. If QR=16 cm and PR=20 cm, compare the curved surface areas of the right circular cones so formed by the triangle.
MEDIUM
10th Tamil Nadu Board
IMPORTANT
Mathematics Standard 10>Chapter 7 - Mensuration>Exercise 7.1>Q 5
4 persons live in a conical tent whose slant height is 19 cm. If each person require 22 cm2 of the floor area, then find the height of the tent in cm (correct up to two decimal places).
MEDIUM
10th Tamil Nadu Board
IMPORTANT
Mathematics Standard 10>Chapter 7 - Mensuration>Exercise 7.1>Q 6
A girl wishes to prepare birthday caps in the form of right circular cones for her birthday party, using a sheet of paper whose area is 5720 cm2, how many caps can be made with radius 5 cm and height 12 cm.
HARD
10th Tamil Nadu Board
IMPORTANT
Mathematics Standard 10>Chapter 7 - Mensuration>Exercise 7.1>Q 7
The ratio of the radii of two right circular cones of same height is 1:3. The ratio of their curved surface area is 5:k when the height of each cone is 3 times the radius of the smaller cone. Find k.
HARD
10th Tamil Nadu Board
IMPORTANT
Mathematics Standard 10>Chapter 7 - Mensuration>Exercise 7.1>Q 8
The radius of a sphere increases by 25%. Find the percentage increase in its surface area.