If each of the dimensions of a rectangle is increased 100%, the area is increased:
150%
200%
300%
500%
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
If cylinder A has a height twice that of cylinder B and a radius half that of cylinder B, what is the ratio between the volume of cylinder A and the volume of cylinder B?
1:6
2:1
1:2
4:1
If a circle's circumference is 10 centimetres long. What is the area of the circle, in square centimetres?
14
12
32
25
If the radius of a circle is decreased by 10% by what per cent is its area decreased?
15
19
42
89
What is the area of the rectangle in sq. units in the figure?
8
21
A liquid that fills a rectangular container whose dimensions are 2 cm x 10 cm x 20 cm is poured into a cylindrical container whose base radius is 5 cm. What height (in cm) will the surface of the liquid reach in the cylindrical container?
16
Three congruent squares are arranged in a row., If the perimeter of ABCD is 80 cm, the area of ABCD is-
280 cm2
312 cm2
540 cm2
300 cm2
If the length and the width of a rectangle are both tripled, the ratio of the area of the original rectangle to the area of the enlarge rectangle is
1:5
1:7
1:9
9:1