A regular octagon is obtained from a square of side 18 cm by trimming the four edges. Which of the following is the area of the octagon.
1). 18(9 + √3)
2). 36(9 - √3)
3). 36(9 + √3)
4). 71(1 + √2)
One diagonal of a rhombus is half the other. If the length of the side of the rhombus is 10 cm, what is the area of the rhombus?
How many squares of side 5 cm can be cut from a rectangular sheet of dimensions 25 cm × 15 cm?
1). 5
2). 15
3). 25
4). 35
How many metres of cloth 11 m wide will be required to make a conical tent, the radius of whose base is 7 m and whose height is 24 m? (Take π = 22/7)
1). 60 m
2). 55 m
3). 50 m
4). 45 m
If the radius of a circle is increased by 35% then, its area increases by
1). 58 percent
2). 29 percent
3). 33.205 percent
4). 82.25 percent