The perimeter of a trapezium is 104 cm, the lengths of its non-parallel sides are 18 cm and 22 cm and its altitude is 16 cm. The area (in cm) of the trapezium is
1024
640
512
320
If each edge of a solid cube is increased by 150%, the percentage increase in the surface area is
525
225
625
150
The internal base of a rectangular box is 15 cm long and 12 cm wide and its 2 height is 7 cm. The box is filled with 2 cubes each of side 2 cm. The number of 2 cubes will be
90
120
45
60
The perimeter of a trapezium is 58 cm and sum of its non-parallel sides is 20 cm. If its area is 152 cm, then the distance between the parallel sides (in cm) is
9.8
15.2
6
8
It is proposed to build a single circular park equal in area to the sum of areas of two circular parks of diameters 16 m and 12 m. The radius of the new park would be
10m
15m
20m
24m
An edge of a cube measures r cm. If the largest possible right circular cone is cut out of this cube, then the volume of the cone ( in cm3) is
Two adjacent sides ofa parallelogram are 74 cm and 40 cm. If one of its diagonals is 102 cm, then area of the parallelogram is
618 sq.cm
1224 sq.cm
2448 sq.cm
1242 sq.cm
solid cylinder has total surface area of 462 sq. cm. If its curved surface area is one-third of its total surface area, then the volume of the cylinder will be
639 cm3
539 cm3
439 cm3
600 cm3
A rectangular piece of paper 11 cm x 4 cm is folded without overlapping to make a cylinder of height 4 cm, then the volume of the cylinder will be
37.5 cm3
38.5 cm3
35.8 cm3
28.5 cm3