1 A rectangle sheet of size 88 cmX35 cm is bent to form a cylindrical shape with height 35 cm.What is the area of the base of the cylindrical shape? A) 88 sq.cm B) 616 sq.cm C) 676 sq.cm D) 600 sq.cm
2 What is the surface area of the sphere with radius "2r" cm? A) $4\pi r^{2}$ B) $6\pi r^{2}$ C) $16\pi r^{2}$ D) $32\pi r^{2}$
3 The radius of sphere is doubled.What would be the effect on the surface area of the sphere? A) Becomes 16 times B) Becomes 8 times C) Becomes 4 times D) Becomes 2 times
4 A hemisphere of radius 6 cm is cast into a right circular cone of height 75 cm.What is the radius of the base of cone? A) 1.4 cm B) 2.4 cm C) 2.6 cm D) 3 cm
5 A rectangular container is of size 12X8X4 cm.Howmany ice cubes of size 2 cm each can be placed in this container? A) 48 B) 54 C) 8 D) 65
6 Three solid iron cubes whose edges measure 5x3x4 cm respectively, are melted down to form a new single solid cube.What is the surface area of this new cube? A) 512 sq.cm B) 216 sq.cm C) 272 sq.cm D) 126 sq.cm
7 A metalic sheet is of rectangular shape with measurements 48x36 cm.From each one of its corners a square of 8 cm is cut off.An open box ismade of the remaining sheet.What is the volume of the box? A) $512 cm^{3}$ B) $5000 cm^{3}$ C) $5120 cm^{3}$ D) $5210 cm^{3}$
8 The breadth of a room is twice its height, one half its lenght and the volume of the room is 512 cu.m.Find the height of the room. A) 4m B) 8m C) 16m D) 32m
9 How many cubic metres of earth must be dug out to sink a well22.5m deep and diameter 7m? A) $800m^{3}$ B) $845m^{3}$ C) $866.25m^{3}$ D) $832.5m^{3}$
10 A power tin has a square base with side 8cm and height 13 cm.Another is cylindrical the radius with the radius of its base 7cm and height 15cm.Find the difference in their capacities. A) 1400 cu.cm B) 1478 cu.cm C) 1369.9 cu.cm D) 1628.1 cu.cm
11 100 persons can sleep in a room 25m by 9.8m.If each person requires 12.25 cu.m of air. Find the height of the room. A) 6 m B) 5 m C) 4 m D) 10 m
12 500 men took a dip in a tank which is 80m long and 50m broad. What is the rise in the water level if the average displacement of water by a man is $4m^{3}$. A) 25 cm B) 20 cm C) 45 cm D) 50 cm
13 The circumference of the base of a 10m high conical tent is 44 metres. Calculate the length of canvas used in making the tent , where the width of the canvas is 2m. A) 132.2 m B) 134.2 m C) 130.6 m D) 131.8 m
14 A semi circular sheet of a paper of diameter 28 cm is bent to cover the exterior surface of an open conical ice cream cup. The length of the ice cream cup is: A) 10.12 cm B) 8.0 cm C) 12.0 cm D) 14.0 cm
15 A copper sphere of radius 3 cm is beaten and drawn into wire of diameter 0.2 cm. The length of the wire is A) 9 m B) 12 m C) 18 m D) 36 m
