Reviewer Page Guides

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159

Civil Service Commission Professional or Sub-Professional Reviewer - Page 93/159

Mathematics Test IV Solution - Page 93

Solutions

1. A car that cost $ 1.2 M can be sold for $ 600, 000 after 5 years of use. What will be the yearly depreciation cost ?

Yearly depreciation cost =  depreciation 
                                          no. of years

                                      =   $ 1,200,000 - $ 600,000 
                                                              5

                                      =  $ 600,000 
                                                 5

                                      = $ 120, 000 per year * Ans.

2. How many times does the digit 7 appear in the numbers from 1 to 100 ?

7, 17, 27, 37, 47, 57, 67, 77, 87, 97,

71, 72, 73, 74, 75, 76, 77, 78, 79

19 times * Ans.

3. At the rate of $ 44 per hundred sheets of colored bond paper, how much is the cost of 500 sheets ?

Cost of the 550 sheets =     $ 44      x 550 sheets
                                      100 sheets

                                   = $ 44 x 5.5

                                   = $ 242 * Ans.

4. At $ 25 per board foot of wood, what is the cost of 15 pieces of 2" x 2" x 12' ?

( 1 board foot = 1 ft. x 1 ft. x 1 inch )

Cost =  $ 25 x  2" x 2" x 12" bd. ft. 
           bd. ft.               12"

        = $ 1, 500 * Ans.

5. The decimal form of 0.56 % is __________ ?

Move 2 decimal places to the left (100%).

0.56 % = 0.0056 * Ans.

Civil Service Reviewer Post 93/159