2D mensuration test 2 Welcome to your 2D mensuration test 2 Name Email 1. The perimeter and length of a rectangle are 40 m and 12 m respectively. Its breadth will be (a) 10m (b) 8m (c) 6m (d) 3m None 2. If each edge of a square be doubled. then the increase percentage in its area is (a) 200% (b) 250% (c) 280% (d) 300% None 3. A circle is inscribed in a square of side 35 cm. The area of the remaining portion of the square which is not enclosed by the circle is (a) 962.5 cm² (b) 262.5 cm² (c) 762.5 cm² (d) 562.4 cm² None 4. A rectangular carpet has an area of 120 m2 and a perimeter of 46 metre. The length of its diagonal is: (a)17 metres (b) 21 metres (c) 13 metres (d) 23 metres None 5. The length of a room is 3m more than its breadth. If the area of a floor of the room is 70 m2 , then the perimeter of the floor will be- (a)14 metres (b) 28 metres (c) 34 metres (d) 17 metres None 6. The length of a rectangle is twice the breadth. If area of the rectangle be 417.605 sq. m., then length is- (a)29.08 metres (b)29.80 metres (c) 29.09 metres (d)28.90 metres None 7. The area of a sector of a circle of radius 5 cm, formed by an arc of length 3.5 cm is : (a) 8.5 cm2 (b) 8.75 cm2 (c) 7.75 cm2 (d) 7.50 cm2 None 8. The area (in sq. cm) of the largest circle that can be drawn inside a square of side 28 cm is : (a) 1724 (b) 784 (c) 8624 (d) 616 None 9. The diameter of a toy wheel is 14 cm, What is the distance travelled by it in 15 revolutions? (a) 880 cm (b) 660 cm (c) 600 cm (d) 560 cm None 10. A can go round a circular path 8 times in 40 minutes. If the diameter of the circle is increased to 10 times the original diameter, the time required by A to go round the new path once travelling at the same speed as before is : (a) 25 min (b) 20 min (c) 50 min (d) 100 min None 11. The base of a triangle is 15 cm and height is 12 cm. The height of another triangle of double the area having the base 20 cm is (a) 9cm (b) 18 cm (c) 8 cm (d) 12.5 cm None 12. If the area of a triangle with base 12 cm is equal to the area of square with side 12 cm. the altitude of the triangle will be (a) 12 cm (b) 24 cm (c) 18 cm (d) 36 cm None 13. Three circles of radius 3.5 cm each are placed in such a way that each touches the other two. The area of the portion enclosed by the circles is (a) 1.975 cm2 (b) 1.967 cm2 (c) 19.68 cm2 (d) 21.22 cm2 None 14. The perimeter of a triangle is 30 cm and its area is 30 cm². If the largest side measures 13 cm, What is the length of the smallest side of the triangle? (a) 3cm (b) 4cm (c) 5cm (d) 6cm None 15. The radius of a circular wheel is 1.75m. The number of revolutions that it will make in travelling 11 km, is (a) 1000 (b) 10,000 (c) 100 (d) 10 None 16. The circum-radius of an equilateral triangle is 8 cm. The in- radius of the triangle is (a) 3.25 cm (b) 3.50 cm (c) 4 cm (d) 4.25 cm None 17. The hypotenuse of a right angle isosceles triangle is 5 cm. Its area will be (a) 5 sq. cm (b) 6.25 sq. cm (c) 6.50 sq. cm (d) 12.5 sq. cm None 18. If the difference between the circumference and diameter of a circle is 30 cm, then the radius of the circle must be (a) 6cm (b) 7cm (c) 5cm (d) 8cm None 19. The area of a circle is increased by 22 cm, if its radius is increased by 1 cm. The original radius of the circle is (a) 6 cm (b) 3.2 cm (c) 3 cm (d) 3.5 cm None 20. An elephant of length 4 m is at one corner of a rectangular cage of size (16 m × 30 m) and faces towards the diagonally opposite corner. If the elephant starts moving towards the diagonally opposite conrner it takes 15 seconds to reach this corner. Find the speed of the elephant (a) 1 m/sec (b) 2 m/sec (c) 1.87 m/sec (d) 1.5 m/sec None Time's up
