If ` y - 9 = ( - 4 )` , then y is equal to :
( a )   3   ( b )   4   ( c )   5   (d )   7  

If x ÷ 1 = 8 , then x is equal to ( a )   8   ( b )   1   ( c )   -8   ( d )   -1  

If ( -6 ) ÷ x = 1 , then x is equal to (A)   -6   (B)   6   (C)   -1/6   (D)   7

If f(x) = { x , x ( 1 )  1   ( 2 )   4/3   ( 3 )   5/3   ( 4 )   5/2  

Find the value of ( 1+ 1/iota )^4 is : ( a )   0   ( b )  -4   ( c )   4   ( d )   3

If ( x + 3 , 4 + y ) = ( 1 , 7 ) then ( x - 3 , 4 - y ) is equal to ( A )   ( -2 , 3 )   ( B )   ( -5, 1 )   ( C )   ( 3, 4 )   ( D )   ( 1, 5 )  

If ( 1 - iota ) x + ( 1 + iota ) y = 1 - 3 iota , then ( x ,y ) is equal to ( a )   ( 2 , -1 )   ( b )   ( -2 , 1 )   ( c )  ( -2 , -1 )  ( d )  ( 2, 1 )

Find the value of (-2/3)^-2 is : ( a )  4/3   ( b )  -2/9  ( c )  4/9  (d )   9/4

If   2^x - 4^(2x-1) = 0 , then x = (a)   2/3   (b)   -2/3   (c)   3/2   (d)   -3/2

Find the value of | [ y , y-1 ],[ y +1 ,y ]| (a)   2   (b)   3   ( c )   0   (d)   1

Find the value of   [ ( x/y - 1 ) / ( 1 - x/y ) ] ( a )   0   ( b )   1   ( c )   -1   ( d )   x/y