EduSahara™ Assignment
Name : Frustum of a Cone
Chapter : Cone and Sphere
Grade : ICSE Grade X
License : Non Commercial Use
Question
1
1.
The radii of the ends of a frustum of a right circular cone 13.00 cm high are 8.50 cm and 3.50 cm. Its slant height is
(i)
8.93 cm
(ii)
18.93 cm
(iii)
10.93 cm
(iv)
13.93 cm
(v)
16.93 cm
Question
2
2.
The radii of the ends of a frustum of a right circular cone 13.00 cm high are 11.50 cm and 4.00 cm. Its curved surface area is
(i)
704.12 sq.cm
(ii)
739.12 sq.cm
(iii)
731.12 sq.cm
(iv)
718.12 sq.cm
(v)
755.12 sq.cm
Question
3
3.
The radii of the ends of a frustum of a right circular cone 15.00 cm high are 12.00 cm and 5.00 cm. Its total surface area is
(i)
1415.54 sq.cm
(ii)
1275.54 sq.cm
(iii)
1685.54 sq.cm
(iv)
1435.54 sq.cm
Question
4
4.
The radii of the ends of a frustum of a right circular cone 16.00 cm high are 9.50 cm and 8.50 cm. Its volume is
(i)
3937.33 cu.cm
(ii)
4227.33 cu.cm
(iii)
4157.33 cu.cm
(iv)
4077.33 cu.cm
Question
5
5.
The radii of the ends of a frustum of a right circular cone 19.00 cm high are 8.50 cm and 4.50 cm. Its slant height is
(i)
16.42 cm
(ii)
22.42 cm
(iii)
24.42 cm
(iv)
14.42 cm
(v)
19.42 cm
Question
6
6.
The radii of the ends of a frustum of a right circular cone 9.00 cm high are 9.00 cm and 3.50 cm. Its curved surface area is
(i)
399.37 sq.cm
(ii)
431.37 sq.cm
(iii)
400.37 sq.cm
(iv)
414.37 sq.cm
(v)
436.37 sq.cm
Question
7
7.
The radii of the ends of a frustum of a right circular cone 13.00 cm high are 10.50 cm and 7.50 cm. Its total surface area is
(i)
1148.04 sq.cm
(ii)
1308.04 sq.cm
(iii)
1118.04 sq.cm
(iv)
1418.04 sq.cm
(v)
1278.04 sq.cm
Question
8
8.
The radii of the ends of a frustum of a right circular cone 8.00 cm high are 3.50 cm and 2.50 cm. Its volume is
(i)
201.38 cu.cm
(ii)
210.38 cu.cm
(iii)
244.38 cu.cm
(iv)
228.38 cu.cm
(v)
245.38 cu.cm
Assignment Key
1) (iv)
2) (iii)
3) (i)
4) (iv)
5) (v)
6) (iv)
7) (v)
8) (iv)