EduSahara™ Assignment
Name : Frustum of a Cone
Chapter : Surface Areas and Volumes
Grade : CBSE Grade X
License : Non Commercial Use
Question
1
1.
The radii of the ends of a frustum of a right circular cone 6.00 cm high are 12.50 cm and 4.00 cm. Its slant height is
(i)
10.40 cm
(ii)
7.40 cm
(iii)
5.40 cm
(iv)
15.40 cm
(v)
13.40 cm
Question
2
2.
The radii of the ends of a frustum of a right circular cone 19.00 cm high are 12.50 cm and 7.50 cm. Its curved surface area is
(i)
1304.95 sq.cm
(ii)
1214.95 sq.cm
(iii)
1014.95 sq.cm
(iv)
1234.95 sq.cm
(v)
1374.95 sq.cm
Question
3
3.
The radii of the ends of a frustum of a right circular cone 11.00 cm high are 6.00 cm and 4.00 cm. Its total surface area is
(i)
499.81 sq.cm
(ii)
532.81 sq.cm
(iii)
514.81 sq.cm
(iv)
527.81 sq.cm
(v)
501.81 sq.cm
Question
4
4.
The radii of the ends of a frustum of a right circular cone 19.00 cm high are 9.00 cm and 4.50 cm. Its volume is
(i)
2771.50 cu.cm
(ii)
2851.50 cu.cm
(iii)
2651.50 cu.cm
(iv)
2821.50 cu.cm
(v)
3101.50 cu.cm
Question
5
5.
The radii of the ends of a frustum of a right circular cone 14.00 cm high are 12.50 cm and 2.50 cm. Its slant height is
(i)
14.20 cm
(ii)
17.20 cm
(iii)
12.20 cm
(iv)
20.20 cm
(v)
22.20 cm
Question
6
6.
The radii of the ends of a frustum of a right circular cone 12.00 cm high are 3.50 cm and 2.50 cm. Its curved surface area is
(i)
212.07 sq.cm
(ii)
250.07 sq.cm
(iii)
227.07 sq.cm
(iv)
241.07 sq.cm
(v)
213.07 sq.cm
Question
7
7.
The radii of the ends of a frustum of a right circular cone 11.00 cm high are 5.00 cm and 4.00 cm. Its total surface area is
(i)
467.28 sq.cm
(ii)
441.28 sq.cm
(iii)
423.28 sq.cm
(iv)
424.28 sq.cm
(v)
456.28 sq.cm
Question
8
8.
The radii of the ends of a frustum of a right circular cone 19.00 cm high are 8.00 cm and 3.00 cm. Its volume is
(i)
1680.76 cu.cm
(ii)
1930.76 cu.cm
(iii)
1850.76 cu.cm
(iv)
2000.76 cu.cm
(v)
2070.76 cu.cm
Assignment Key
1) (i)
2) (iv)
3) (iii)
4) (iv)
5) (ii)
6) (iii)
7) (ii)
8) (ii)
