# MCQs in Age, Work, Mixture, Digit, Motion Problems Part II - Answers

Answers key for the Compiled MCQs in Age, Work, Mixture, Digit, Motion Problems Part 2 of the series as among the topics in Engineering Mathematics in the ECE Board Exam.

Below are the answers key for the Multiple Choice Questions in Age, Work, Mixture, Digit, Motion Problems - MCQs Part 2.

51. B. 15

52. C. 23

53. C. 5

54. D. 12 years

55. C. 15

56. B. 18

57. D. 5

58. D. 500kg

59. A. 40%

60. C. 2:3

61. C. 20

62. B. Lead = 8.8 ounces; Nickel = 7.2 ounces

63. B. Silver = 3.75 oz.; Gold = 11.25 oz.

64. D. 7 hours

65. C. 10

66. B. 2.5 hours

67. C. 3

68. A. ¾

69. D. 20 hours

70. C. 12 hours

71. A. 10 hrs.

72. B. 8.4

73. B. 1.125 hrs

74. D. 1.923 hours

75. D. 20.56

76. A. 173.91

77. A. 18.9

78. A. 9.867hrs.

79. D. 720°

80. B. 22

81. C. 16-4/11 minutes

82. C. 21.81

83. A. 12:33 pm

84. D. 12:21.181

85. C. 540°

86. A. 3:06.06

87. B. 3:31.47

88. C. 1/5 and 1/6

89. B. 10y + x

90. C. 65 & 70

91. C. 63

92. A. 10 & 12

93. C. 852

94. C. 22

95. B. 50

96. D. 842

97. A. 7 and 14

98. C. 6

99. B. 5/13

100. D. 15

### MCQs in Age, Work, Mixture, Digit, Motion Problems Series

Following is the list of multiple choice questions in this brand new series:

Age, Work, Mixture, Digit, Motion Problems MCQs
PART 1: MCQs from Number 1 – 50                        Answer key: PART I
PART 2: MCQs from Number 51 – 100                   Answer key: PART II
PART 3: MCQs from Number 101 – 150                   Answer key: PART III

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