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 12.00 cm high are 11.00 cm and 7.00 cm. Its slant height is
(i)
7.65 cm
(ii)
9.65 cm
(iii)
15.65 cm
(iv)
12.65 cm
(v)
17.65 cm
Question
2
2.
The radii of the ends of a frustum of a right circular cone 12.00 cm high are 7.50 cm and 3.50 cm. Its curved surface area is
(i)
437.30 sq.cm
(ii)
423.30 sq.cm
(iii)
439.30 sq.cm
(iv)
425.30 sq.cm
(v)
453.30 sq.cm
Question
3
3.
The radii of the ends of a frustum of a right circular cone 7.00 cm high are 5.00 cm and 4.00 cm. Its total surface area is
(i)
301.87 sq.cm
(ii)
346.87 sq.cm
(iii)
350.87 sq.cm
(iv)
322.87 sq.cm
(v)
328.87 sq.cm
Question
4
4.
The radii of the ends of a frustum of a right circular cone 20.00 cm high are 10.00 cm and 7.00 cm. Its volume is
(i)
4468.57 cu.cm
(ii)
4458.57 cu.cm
(iii)
4588.57 cu.cm
(iv)
4718.57 cu.cm
(v)
4628.57 cu.cm
Question
5
5.
The radii of the ends of a frustum of a right circular cone 7.00 cm high are 6.50 cm and 5.50 cm. Its slant height is
(i)
8.07 cm
(ii)
9.07 cm
(iii)
7.07 cm
(iv)
5.07 cm
(v)
6.07 cm
Question
6
6.
The radii of the ends of a frustum of a right circular cone 16.00 cm high are 10.00 cm and 5.00 cm. Its curved surface area is
(i)
806.26 sq.cm
(ii)
802.26 sq.cm
(iii)
790.26 sq.cm
(iv)
785.26 sq.cm
(v)
763.26 sq.cm
Question
7
7.
The radii of the ends of a frustum of a right circular cone 14.00 cm high are 12.00 cm and 6.00 cm. Its total surface area is
(i)
1427.38 sq.cm
(ii)
1587.38 sq.cm
(iii)
1477.38 sq.cm
(iv)
1297.38 sq.cm
(v)
1347.38 sq.cm
Question
8
8.
The radii of the ends of a frustum of a right circular cone 15.00 cm high are 6.50 cm and 2.50 cm. Its volume is
(i)
1187.50 cu.cm
(ii)
787.50 cu.cm
(iii)
1257.50 cu.cm
(iv)
1017.50 cu.cm
(v)
867.50 cu.cm
Assignment Key
1) (iv)
2) (i)
3) (v)
4) (iii)
5) (iii)
6) (iii)
7) (i)
8) (iv)
