A cube has an edge that is 4 cm long. If the edge is increased by 25%, then the volume is increased by approximatley-
42%
64%
81%
95%
A figure is given belowradius OA=3 cm. Calculate the area of the shaped region.
On the xy-plane, a circle has centre (2-1) and the point (-3,3) lies along the circle's circumference. What is the square-unit area of the circle?
24
39
41
56
The area of a rectangle with width 3 cm and length 8 cm is equal to the area of a triangle with base 6 cm and height of-
5 cm
8 cm
11 cm
18 cm
If the radius of a circle is decreased by 10% by what per cent is its area decreased?
15
19
42
89
Two cardboard boxes have equal volume. The dimensions of one box are 6 cm x 8 cm x 10 cm. If the length of the other box is 4 cm and the width is 6 cm. What is the height (in cm) of the second box?
20
30
54
65
A closed rectangular box with a square base is 5 cm in height. If the volume of the box is 45 cubic cm, what is the box's surface area in square cm?
72
78
92
The length of a rectangle with area 12 cm2 is three times the rectangle's width. What is the perimeter of the rectangle?
15 cm
16 cm
If each of the dimensions of a rectangle is increased 100%, the area is increased:
150%
200%
300%
500%
Right circular cylinder P has a radius of 3 cm and a height of 4 cm. If the volume of P is equal to the volume of right circular cylinder Q, which has a radius of 2 cm, what is the height of Q?
7 cm
9 cm
17 cm
24 cm
