A closed iron tank 12 m long,9 m wide and 4 m deep is to be made. The cost of iron sheet used at the rate of Rs.5 per meter sheet being 2 m wide is
Rs.450
Rs.620
Rs.800
Rs.960
The total surface area of a cube whose volume is 1000 cu.cm is
100 cm2
300 cm2
400 cm2
600 cm2
The central angle of a quadrant of a circle is
90o
180o
270o
360o
The volume of a cuboid is 440 cu.cm and the area of its base is 88 cm2.Its height is
5 cm
8 cm
12 cm
15 cm
The lateral surface area of a cube of edge 10 cm.
400 sq.cm
450 sq.cm
200 sq.cm
100 sq.cm
The arc length of a sector is 66 cm and the central angle is 30o. Then its radius is
110 cm
115 cm
120 cm
126 cm
The lateral surface area of a cuboid of length 80 cm,breadth 40 cm and height 20 cm is
4000 sq.cm
4200 sq.cm
4500 sq.cm
4800 sq.cm
A 4cm cube is cut into 1cm cubes.TSA of all the cubes is
164sq.cm
700sq.cm
384sq.cm
540sq.cm
A chord of a circle of radius 14 cm subtends 60o at the centre. Then, the area of the major sector is.
510 cm2
511 cm2
512 cm2
513 cm2
How many 3 m cubes can be cut from a cuboid measuring 18 m x 12 m x 9 m ?
15
28
64
72