If a metal slab of size `1mxx20 c mxx1c m` is melted to another slab of 1 mm thickness and 1 m width, then the length of the new slab thus formed will be (a) 200 cm (b) 400 cm (c) 600 cm (d) 1000 cm

If a metal slab of size 1m xx20cm xx1cm is melted to another slab of 1mm thickness and 1m width,then the length of the new slab thus formed will be (a)200cm(b)400cm(c)600cm(d)1000cm

1 litre is equal to (a) 1 cu. cm (b) 10 cu. cm (c) 100 cu. cm (d) 1000 cu. cm

If three metallic spheres of radii 6 cm, 8 cm and 10 cm are melted to form a single sphere, then the diameter of the new sphere will be (a) 12 cm (b) 24 cm (c) 30 cm (d) 36 cm

The length of the diagonal of a square is 20cm. Its area is (a)400 c m^2 (b) 200 c m^2 (c)300 c m^2 (d) 100sqrt(2)\ c m^2

50 square stone slabs of equal size were needed to cover a floor area of 72 sq. m. The length of each stone slab is (a) 102cm (b) 120cm (c) 201cm (d) 210cm

If the length of the diagonal of a square is 20cm, then its perimeter is (a) 10sqrt(2)\ c m (b) 40cm (c) 40sqrt(2)\ c m (d) 200cm

Two equilateral triangles of side 2sqrt(3) c m are joined to form a quadrilateral. The altitude of the quadrilateral, thus formed, is equal to (a) 3 cm (b) 4 cm (c) 6 cm (d) 8 cm

The areas of two similar triangles are 121\ c m^2 and 64\ c m^2 respectively. If the median of the first triangle is 12. 1\ c m , then the corresponding median of the other triangle is (a) 11cm (b) 8.8cm (c) 11.1cm (d) 8.1cm

The number of marble slabs of size 20 c mxx30 c m required to pave the floor of a square room of side 3 metres is (a) 100 (b) 150 (c) 225 (d) 250

The dimensions of an open box are 52 c mxx40 c mxx29 c m . Its thickness is 2 cm. If 1 cu. cm of metal used in the box weighs 0.5 gm, then the weight of the box is (a) 6.832 kg (b) 7.576 kg (c) 7.76 kg (d) 8.56 kg