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Civil Service Commission Professional or Sub-Professional Reviewer - Page 64/159

Mathematics Test I Solution - Page 64

24. 47 x 0.05 = ________?

= 47 x 0.05

= 2.35 *Ans.

25. 87 / 0.01 = __________?

move the decimal point 2 places to the right in both dividend & divisor because there are 2 decimal places in the divisor.

0.01 is now 1 and 87 is now 8700

= 8700 / 1

= 8700 *Ans.

26. (0.5) (5) (0.5) = ________.

= (2.5) (0.5)

= 1.25 *Ans.

27. Dividing by 0.2 is the same as multiplying by ________?

= 1 ÷ 0.2

= 1 ÷  
         10

= 1 ÷  1 
          5

= 1 x 5

= 5 *Ans.

28. 0.012 ÷ 3 = ________?

        .004 
= 3 | .012
         0    
           1
           0  
           12
           12
             0

0.004 *Ans.

29. 2.944 ÷ 0.23 = _______?

move the decimal point 2 places to the right in both dividend & divisor because there are 2 decimal places in the divisor.

0.23 is now 23 and 2.944 is now 294.4

= 294.4 / 23

= 12.8 *Ans.

Civil Service Reviewer Post 64/159