The edges of a cuboid are respectively 3cm, 4cm and 12 cm. Find the length of the diagonal of cuboid.

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The radius of a cylindrical vessel is 7cm and height is 3cm. Find the whole surface of the cylinder?

A. 308 sq cm B. 220 sq cm C. 440 sq cm D. 132 sq cm...

Find the ratio of the curved surfaces of two cylinders of same heights if their radii are in the ratio 1:2.

A. 1:2 B. 2:1 C. 1:4 D. 4:1...

A room is 15m long, 4m broad and 3m height. Find the cost of white washing its four walls at 50p per m² ?

A. Rs.60 B. Rs.57 C. Rs.55 D. Rs.52...

The dimensions of an open box are 52, 40 and 29 cms. Its thickness is 2 cms. If 1 cm³ of metal used in the box weighs 0.5 gms, the weight of the box is________?

A. 8.56 kg B. 7.76 kg C. 7.756 kg D. 6.832 kg...

The height of two right circular cones are in the ratio 1:2 and their perimeters of their bases are in the ratio 3:4, the ratio of their volume is_________?

A. 3:8 B. 9:16 C. 9:32 D. 9:64...