A carpenter had a board which measured 3m × 2m. She cut out a rectangular piece of 250cm × 90cm. What is the ratio of the area of cut out piece and the remaining piece? 11.4.2018 MATHEMATICS Rough Work RATIO AND PROPORTION 131 11.4.2018 UNIT-8 Rough Work 11.4.2018
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3 : 5 OOLRLPNOV 1. (B) 2. (A) 3. (D) 4. (C) 5. (A) 6. (B) 7. (D) 8. (B) 9. (B) 10. (C) 11. (C) 12. (B) 13. (A) 14. (B) 15. (B) 16. (A) 17. (D) 18. same 19. one 20. equal 21. unequal 22. Line segment, 5cm 23. Angle, 80° 24. l 25. equal 26. 5 27. right, triangle 28. 0, 8 29. 3 30. 7 (1, 2, 4, 5, 6, 7, 9) 31. 7 ( A, M, U, V, W, Y, T) 32. 5 (B, C, D, E, K) 33. 4 (H, I, O, X) 34. 10 ( F, G, J, L, N, P, Q, R, S, Z) 35. perpendicular 36. 6 37. n 38. one 39. no 40. one 41. diagonals 42. mid points 43. T 44. F 45. T 46. F 47. T 48. T 49. T 50. F 51. T 52. F 53. T 54. T 55. F 56. F 57. T 58. F 59. F 60. T 61. F 62. Yes, One line of symmetry. 63. AC, BD 64. H, I, O, X 65. S 66. S (Zero), Y (One), M (One), E (One), T (One), R (Zero) 67. (i) → (f), (ii) → (c), (iii) → (f), (iv) → (d), (v) → (e), (vi) → (a), (vii) → (g) 68. (i) 2, (ii) 1, (iii) 0, (iv) 1, (v) 1 (vi) 0 69. Yes 70. (a) Yes, (b) Yes, (c) Yes, (d) Yes 72. Yes, Yes, Yes 73. Yes 80. One 81. One 82. Yes OOLRLPNOV _lqucpq Notes OOLRLPNOV k_rfck_rgaq Notes ANSWERS 165 OOLRLPNOV _lqucpq Notes OOLRLPNOV