Q151 Find the curved surface area of the cone whose length and radius are 8 cm and 16 cm respectively?

Q152 Find the maximum distance between two points on the perimeter of a rectangular stadium whose length and breadth are 45 and 90 cm respectively?

Q153 One side of a rectangular stadium 10 m and one of its diagonals is 27 m. Find the area of the stadium?

Q154 A rectangular garden having its sides in the ratio of 1:2. The area of the garden is 1/6 . Find the length of the garden?

Q155 Calculate the cost of carpeting a hall of 25 m long and 15 m broad with a carpet 80 cm wide worth rs.15 per sq.m?

Q156 A rectangular field is twice its breadth. If its length is decreased by 10 cm and breadth is increased by 10 cm, the area of the rectangle is increased by 150 sq cm. Find the length of the field?

Q157 The area of the rectangle and perimeter
are 100 sq m and 45 metres. Find the
length of the diagonal?

Q158 A landlord decided to reduce the length of his rectangular field by 30%. Can you suggest the rate of deduction in breadth in order to sustain same area?

Q159 The diagonal between the two corners of a room whose 4 side are equal size is given by 3.8 m. Find the area of the room?

Q160 The diagonals of the two corners rooms whose 4 sides are equal size is given by ratio 2:5. Find the areas of the room in ratio?