(1). A cuboid shaped slab of iron whose dimensions are 55 cm x 40 x cm 15 cm is melted and recast into a pipe. The outer diameter and thickness of the pipe are 8 cm and 1 cm respectively. Find the length of the pipe.

• (a). 10m
• (b). 12m
• (c). 14m
• (d). 15m
• (e). None of these

(2). A shot-putt is a metallic sphere of radius 4.9 cm. If the density of the metal is 7.8 g per cm3 , find the mass of the shot-putt

• (a). 3.845 Kg
• (b). 3.65 Kg
• (c). 4.245 Kg
• (d). 4.5 Kg
• (e). None of these

(3). Find the area of a square, one of whose diagonals is 3.8 m long.

• (a). 7.22 m
• (b). 8.44 m
• (c). 7.66 m
• (d). 7.33 m
• (e). None of these

(4). Find the length of the longest pole that can be placed in a room 12 m long 8m broad and 9m high.

• (a). 17m
• (b). 16m
• (c). 18m
• (d). 19m
• (e). None of these

(5). The size of the wooden block is 5 x 10 x 20 cm .How many such blocks will be required to construct a solid wooden cube of minimum size?

• (a). 7
• (b). 6
• (c). 9
• (d). 8
• (e). None of these

(6). How many cubes of 3cm edge can be cut out of a cube of 18cm edge

• (a). 216
• (b). 220
• (c). 210
• (d). 205
• (e). None of these

• (a). 1
• (b). 2
• (c). 3
• (d). 4
• (e). None of these

• (a). 1
• (b). 2
• (c). 3
• (d). 4
• (e). None of these

• (a). 2mm
• (b). 1mm
• (c). 3mm
• (d). 4mm
• (e). None of these

• (a). 1
• (b). 2
• (c). 3
• (d). 4
• (e). None of these