Q1. A horse racecourse is in the form of an annular ring whose outer and inner circumferences are 748 m and 396 m respectively The width in m of the racecourse is Take

Q2. The side of a square is increased by 25 What is the percentage increase in its area

Q3. The maximum length of a pencil that can be kept in a rectangular box of dimensions 13 cm x 8 cm x 3 cm is

Q4. If the total surface area of a sphere of radius r cm is equal to the total surface area of a cube of side s cm which of the following is true

Q5. A solid metal cube of edge 12 cm is immersed completely in water in a cylindrical vessel whose radius is 20 cm and height is 32 cm and the water in the vessel is up to a height of 15 cm The height in cm by which the water will rise in the vessel is correct to one decimal place