Entry Test MCQ :: Equations and Inequalities

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21.

If (x+3)/2+3x = 5(x-3)+(x+23)/5 what is the value of x?

22.

If z-3=5 what is the value of z2-3?

A.	34	B.	61
C.	8	D.	65

23.

If (a+5b)/2b = a-2b what is the value of a when b=-1?

A.	1?3	B.	1?8
C.	1?5	D.	1?4

24.

If 9x+10=34 what is the value of 9x - 10?

A.	20	B.	24
C.	14	D.	33

25.

If s2+t2 = 0 what is the value of s2-t2?

A.	1	B.	2
C.	0	D.	14

26.

If 6x-7=8 what is the value of (6x-7)2?

A.	55	B.	60
C.	81	D.	64

27.

If a = 2b 3b=4c and 5c=6a-7 what is the value of c?

A.	7?11	B.	16
C.	8?2	D.	1?4

28.

If 3212=4a-3 what is the value of a?

A.	65	B.	75
C.	33	D.	70

29.

If 2y-5x=5 what is the smallest integral value of x for which y>100?

A.	32	B.	20
C.	14	D.	45

30.

If a-8 = 10 - 2a then a = ?