Welcome to your 08 math Name 1. A bought a tape recorder for ₹8,000 and sold it to B. B in turn sold it to C, each earning a profit of 20%. Which of the following is true: Deselect Answer A and B earn the same profit A earns more profit than B. A earns less profit than B Cannot be decided None 2. Express 0.45 m as a percentage of 3 m. Deselect Answer 12% 35% 15% None of these None 3. Amit bought a cricket ball for Rs. 35 and sold it to Prakesh at 20% profit. What did Prakesh pay? Deselect Answer 23 55 42 None of these None 4. The sum of first n odd natural numbers is Deselect Answer 2n+1 n² n²–1 n²+1 None 5. There is a circular pond and a footpath runs along its boundary. A person walks around it, exactly once keeping close to the edge. If his step is 44 cm long and he takes exactly 400 steps to go around the pond, then find the diameter of the pond. Deselect Answer 84 m 56 m 58 m 28 m None 6. 0.08 is equal to Deselect Answer 80% 8% 0.8% 0.08% None 7. 36 unit squares are joined to form a rectangle with the least perimeter. Perimeter of the rectangle is : Deselect Answer 12 units 26 units 24 units 36 units None 8. The figure ABCD is a quadrilateral in which AB = CD and BC = AD. Its area is Deselect Answer 72cm² 36cm² 24cm² 18cm² None 9. A student multiplied a number by 2/5 instead of 5/2. What is the percentage error in the calculation? Deselect Answer 84% 64% 42% 25% None 10. 40% of [100 – 20% of 300] is equal to Deselect Answer 20 16 140 64 None 11. The area of four walls of a room is 420 Square meter. If length of the room is double the breadth of the room and wall is 5 m high, Find length and breadth of the room? Deselect Answer 28m ,14 m 18m ,9 m 30m ,15 m None of these None 12. Which of the following is a terminating decimal term : Deselect Answer 7/32 8/15 9/27 11/18 None 13. A circle of maximum possible size is cut from a square sheet of board. Subsequently, a square of maximum possible size is cut from the resultant circle. What will be the area of the final square? Deselect Answer 3/4 of original square. 1/2 of original square. 1/4 of original square. 2/3 of original square. None 14. There are two numbers such that the sum of the numbers is 32 and their difference is 6. Find the difference of their squares. Deselect Answer 180 192 676 None of these None 15. Three cubes of metal whose edges are 6 cm, 8 cm and 10 cm respectively are melted to form a single cube. The edge of the new cube is Deselect Answer 12 cm 24 cm 18 cm 20 cm None 16. Find the least number of four digits that is a perfect square. Deselect Answer 1032 1012 1024 1042 None 17. Radhika bought a car for Rs 2,50,000. Next year its price decreased by 10% and further next year it decreased by 12%. In the two years overall decrease per cent in the price of the car is Deselect Answer 3.2% 22% 20.8% 8% None 18. How much distance, in metres, a wheel of 25 cm radius will cover, if it rotates 560 times? Deselect Answer 700 cm 880 m 700 m 880 cm None 19. If √256 ÷ √x = 2, then x = ? Deselect Answer 64 128 512 1024 None 20. A rectangular room 3.78 m long and 5.25 m broad is to be paved exactly with square tiles of same size. The minimum number of such tiles is Deselect Answer 400 450 420 440 None Time's upTime is Up!
