1. If 11x - 13 = -2x + 78, then x = ?
(a) 7
(b) 8
(c) 6
(d) 4
2. The value of x + y in the solution of the equations x/4 + y/3 = 5/12 and x/2 +y = 1
(a) 1/2
(b) 2
(c) 5/2
(d) 3/2
3. If 2x + 3y = 12 and 3x - 2y = 5, then x and y must have the value:
(a) 2 and 3
(b) 2 and -3
(c) 3 and -2
(d) 3 and 2
4. The equation 2x+y = 5 and x + 2y = 4 are
(a) Consistent and have infinitely many solution
(b) Consistent and have a unique solution
(c) Inconsistent
(d) None of these
5. The difference between two numbers is 5 and the difference between their square is 65.The larger number is
(a) 9
(b) 10
(c) 11
(d) 12
6. If 2^a + 3^b =17 and 2^(a+2) - 3^(b+1) = 5, then:
(a) a=2,b=3
(b) a=-2,b=3
(a) a=2,b=-3
(a) a=3,b=2
7. If x+2y≤3,x>0 and y>0, then one of the solution is:
(a) x=-1,y=2
(b) x=2,y=1
(a) x=1,y=1
(a) x=0,y=0
8. If 17x - 16 = -2x + 345, then x = ?
(a) 18
(b) 19
(c) 17
(d) 21
9.If 3x + 7y = 44 and x = 3,then the value of y is:
(a) 7
(b) 8
(c) 5
(d) 4
10. The value of y in the solution of the equation 2^(x+y) = 2^(x-y) = √8 is:
(a) 0
(b) 1/4
(c) 1/2
(d) 3/4
1.(a)
2.(d)
3.(d)
4.(b)
5.(a)
6.(d)
7.(c)
8.(b)
9.(c)
10.(a)
2.(d)
3.(d)
4.(b)
5.(a)
6.(d)
7.(c)
8.(b)
9.(c)
10.(a)
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