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Entry Test MCQ :: Basic Algebra

21.  If 12/m = 15/m2 then m =
A. 5?4 B. 3?5
C. ?5?3 D. ?3?5
E. none    
22.  If x = (p+q)/(p-q) then x-1 = ?
A. q/p-q B. 2q/(p+q)
C. 2p(p-q) D. 2q/(p-q)
E. 2q    
23.  If p+q = 4 q+r = -2 r+p=3 then p+q+r =?
A. 2?5 B. 5?2
C. 6?2 D. 5
E. 6    
24.  If 5a=2b=40c what is the value of 8a+5b in terms of c?
A. 10c B. 164c
C. 52c D. 25c
E. 82c    
25.  If p=10/(q+2) what is value of pq is terms of p?
A. 2(5-P) B. 10/p
C. 3(p-5)/p D. 2(p-5)/p
E. none    
26.  Divide (x-y)/(x+y) by (y+x)/(y-x) =
A. ?1 B. 0
C. 1 D. ?(x-y)2/(x+y)2
E. [(y-x)/(x+y)]    
27.  The trinomial x2+x-20 is exactly divisible by:
A. x-5 B. x+4
C. x-10 D. x-4
E. x-2    
28.  If a = p + prt they r = ?
A. (a-1) / t B. (a-p) / pt
C. a-p-pt D. a/t
E. (a+p) / pt    
29.  (a3+b)2 - (a3-b)2 +
A. ?4a3b B. 0
C. (2ab)2 D. 4a3b
E. 4a2b    
30.  If (5w)(5x) = 5y/5z what is z in terms of w x and y?
A. y/wx B. y-w-x
C. w+x-y D. y-wx
E. y/w+x    

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