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 9.00 cm high are 10.50 cm and 6.50 cm. Its slant height is
(i)
11.85 cm
(ii)
9.85 cm
(iii)
7.85 cm
(iv)
8.85 cm
(v)
10.85 cm
Question
2
2.
The radii of the ends of a frustum of a right circular cone 19.00 cm high are 11.00 cm and 5.50 cm. Its curved surface area is
(i)
1085.74 sq.cm
(ii)
1025.74 sq.cm
(iii)
895.74 sq.cm
(iv)
905.74 sq.cm
(v)
1205.74 sq.cm
Question
3
3.
The radii of the ends of a frustum of a right circular cone 16.00 cm high are 7.50 cm and 3.50 cm. Its total surface area is
(i)
802.45 sq.cm
(ii)
789.45 sq.cm
(iii)
757.45 sq.cm
(iv)
785.45 sq.cm
(v)
782.45 sq.cm
Question
4
4.
The radii of the ends of a frustum of a right circular cone 18.00 cm high are 14.00 cm and 6.00 cm. Its volume is
(i)
6078.86 cu.cm
(ii)
5878.86 cu.cm
(iii)
5958.86 cu.cm
(iv)
5818.86 cu.cm
(v)
6008.86 cu.cm
Question
5
5.
The radii of the ends of a frustum of a right circular cone 11.00 cm high are 12.00 cm and 8.00 cm. Its slant height is
(i)
11.70 cm
(ii)
8.70 cm
(iii)
14.70 cm
(iv)
6.70 cm
(v)
16.70 cm
Question
6
6.
The radii of the ends of a frustum of a right circular cone 14.00 cm high are 12.50 cm and 8.00 cm. Its curved surface area is
(i)
972.45 sq.cm
(ii)
947.45 sq.cm
(iii)
920.45 sq.cm
(iv)
945.45 sq.cm
(v)
961.45 sq.cm
Question
7
7.
The radii of the ends of a frustum of a right circular cone 10.00 cm high are 8.50 cm and 4.50 cm. Its total surface area is
(i)
712.76 sq.cm
(ii)
730.76 sq.cm
(iii)
715.76 sq.cm
(iv)
748.76 sq.cm
(v)
743.76 sq.cm
Question
8
8.
The radii of the ends of a frustum of a right circular cone 11.00 cm high are 9.00 cm and 5.50 cm. Its volume is
(i)
1672.45 cu.cm
(ii)
1722.45 cu.cm
(iii)
1852.45 cu.cm
(iv)
2002.45 cu.cm
(v)
1922.45 cu.cm
Assignment Key
1) (ii)
2) (ii)
3) (iv)
4) (iii)
5) (i)
6) (ii)
7) (ii)
8) (iii)
