2D mensuration test 7 Welcome to your 2D mensuration test 7 Name Email 1.The area of a rhombus is 256 sq.cm. and one of its diagonal is twice the other in length.Then length of its larger diagonal is (a) 32 cm (b) 48 cm (c) 36 cm (d) 24 cm None 2.The length of two parallel sides of a trapezium are 15 cm and 20 cm. If its area is 175 sq.cm, then its height is: (a)25 cm (b) 10 cm (c) 20 cm (d) 15 cm None 3.The cost of car penting a room is Rs. 120 . If the width had been 4 metres less, the cost of the Carpet would have been Rs. 20 less. The width of the room is : (a) 24 m (b) 20 m (c) 25 m (d) 18.4 m None 4.The floor of a corridor is 100 m long and 3 m wide. Cost of covering the floor with carpet 50 cm wide at the ratio of Rs. 15 per m is (a) Rs. 4500 (b) Rs. 9000 (c) Rs. 7500 (d) Rs. 1900 None 5. A hall 25 metres long and 15 metres broad is surrounded by a verandah of uniform width of 3.5 metres. The cost of flooring the varandah, at Rs. 27.50 per square metre is (a) Rs. 9149.50 (b) Rs. 8146.50 (c) Rs. 9047.50 (d) Rs. 4186.50 None 6.The outer circumference of a circular race-track is 528 metre. The track is everywhere 14 metre wide. Cost of levelling the track at the rate of Rs.10 per sq. metre is : (a) Rs. 77660 (b) Rs. 67760 (c) Rs. 66760 (d) Rs. 76760 None 7.The length and breadth of a rectangular field are in the ratio of 3 : 2. If the perimeter of the field is 80m, its breadth (in metres) is : (a) 18 (b) 16 (c) 10 (d) 24 None 8.The sides of a rectangular plot are in the ratio 5 : 4 and its area is equal to 500 sq.m The perimeter of the plot is : (a) 80 m (b) 100 m (c) 90 m (d) 95 m None 9. If the area of a triangle is 1176 cm2 and the ratio of base and corresponding altitude is 3 : 4, then the altitude of the triangle is: (a) 42 cm (b) 52 cm (c) 54 cm (d) 56 cm None 10.The area of a field in the shape of a trapezium measures 1440m². The perpendicular distance between its parallel sides is 24m. If the ratio of the parallel sides is 5 : 3, the length of the longer parallel side is : (a) 75 m (b) 45 m (c) 120 m (d) 60 m None 11. If the ratio of areas of two squares is 225 : 256, then the ratio of their perimeter is : (a) 225 : 256 (b) 256 : 225 (c) 15 : 16 (d) 16 : 15 None 12. The area of a triangle is 216 cm2 and its sides are in the ratio 3 : 4 : 5. The perimeter of the triangle is: (a) 6 cm (b) 12 cm (c) 36 cm (d) 72 cm None 13.The ratio of the outer and the inner perimeter of a circular path is 23 : 22, If the path is 5 meters wide the diameter of the inner circle is: (a) 110 m (b) 55 m (c) 220 m (d) 230 m None 14.The angles of a triangle are in the ratio 3 : 4 : 5. The measure of the largest angle of the triangle is (a) 60° (b) 75° (c) 120° (d) 150° None 15.The ratio of the area of a square to that of the square drawn on its diagonal is: (a) 1 : 1 (b) 1 : 2 (c) 1 : 3 (d) 1 : 4 None 16. If the length and the perimeter of a rectangle are in the ratio 5 : 16. then its length and breadth will be in the ratio (a) 5 : 11 (b) 5 : 8 (c) 5 : 4 (d) 5 :3 None 17.Through each vertex of a triangle, a line parallel to the opposite side is drawn. the ratio of the perimeter of the new triangle. thus formed, with that of the original triangle is (a) 3 : 2 (b) 1 : 2 (c) 2 : 1 (d) 2 : 3 None 18.The ratio of the number giving the measure of the circumference and the area of a circle of radius 3 cm is (a) 1 : 3 (b) 2 : 3 (c) 2 : 9 (d) 3 : 2 None 19.The radius of circle A is twice that of circle B and the radius of circle B is twice that of circle C. Their area will be in the ratio (a) 16 : 4 : 1 (b) 4 : 2 : 1 (c) 1 : 2 : 4 (d) 1 : 4 : 16 None 20.The ratio of the radii of two wheels is 3: 4. The ratio of their circumference is (a) 4 : 3 (b) 3 : 4 (c) 2 : 2 (d) 3 : 2 None Time's up
