Want another reviewer? Visit the new CSE-PPT Reviewer (New!) now! Click here...

Tuesday, March 5, 2013

Civil Service Commission Professional or Sub-Professional Reviewer - Page 91/159

Mathematics Test III Solution - Page 91

43. What is the value of

 6a2b3
______  if a = 2 and b = 3 ?
    9


   6a2b3
= ______
      9


   6(2)2(3)3
= ________
        9


   6(4)(27)
= ________
        9

= 72 * Ans.

44.  Z +  4  = 4
              Z
This problem can be solved the easiest way by substituting each choice to Z.

Z = 1
1 +  4  = 4
       1

1 + 4 = 4

      5 ≠ 4


Z = 2

2 +  4  = 4
       2

2 + 2 = 4

      4 = 4 * Ans.

45.  1 ÷  1  = _________ ?
       x     1 
              x

=       1   x 
         x     1

=  1 * Ans.

          ______
46. x √0.0004  =  4 : x  =  _______ ?

x (0.02) = 4
x           =    4   
                0.02
x           =  400 
                   2
x           = 200 * Ans.

Civil Service Reviewer Post 91/159