Sadhana Bhadoriya

Ex – 9.3 Que No. 7 Q.7) If each edge of a cube is doubled Solution:-

Ex – 9.3 Que No. 6 Q.6) A milk tank is in the form of cylinder whose radius is 1.5 m and length is 7 m. Find the quantity of milk in litres that can be stored in the tank? Solution:-

Ex – 9.3 Que No. 5 Q.5) Find the height of the cylinder whose volume is 1.54 m3 and diameter of the base is 140 cm ? Solution:-

Ex – 9.3 Que No. 4 Q.4) A cuboid is of dimensions 60 cm × 54 cm × 30 cm. How many small cubes with side 6 cm can be placed in the given cuboid? Solution:-

Ex – 9.3 Que No. 3 Q.3) Find the height of a cuboid whose base area is 180 cm2 and volume is 900 cm3 ? Solution:-

Ex – 9.3 Que No. 2 Q.2) Diameter of cylinder A is 7 cm, and the height is 14 cm. Diameter of cylinder B is 14 cm and height is 7 cm. Without doing any calculations can you suggest whose volume is greater? Verify it by finding the volume of both the cylinders. Check whether

Ex – 9.3 Que No. 1 Q.1) Given a cylindrical tank, in which situation will you find surface area and in which situation volume. Solution:-

Ex – 9.2 Que No. 10 Q.10) A company packages its milk powder in cylindrical container whose base has a diameter of 14 cm and height 20 cm. Company places a label around the surface of the container (as shown in the figure). If the label is placed 2 cm from top and bottom, what

Ex – 9.2 Que No. 9 Q.9) A road roller takes 750 complete revolutions to move once over to level a road. Find the area of the road if the diameter of a road roller is 84 cm and length is 1 m. Solution:-

Ex – 9.2 Que No. 8 Q.8) The lateral surface area of a hollow cylinder is 4224 cm2. It is cut along its height and formed a rectangular sheet of width 33 cm. Find the perimeter of rectangular sheet? Solution:-