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Monday, March 4, 2013

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