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

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

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

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

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 )  

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

If 2^(2x-1) = 1/ 8^(x-3) then find x = ? a)   -2   (b)   -1   (c)   2   (d) 3

Find the value of ( 1 - iota )^n ( 1 - 1/iota )^n (A)  2^n   ( B )   1/2^n   ( c )   0   ( D )   1

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

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 )

If P , Q be the A.M., G.M. respectively between any two rational numbers a and b , then P-Q is equal to (A)   (a-b)/a   (B)   (a+b)/2   (C)   (2ab)/(a+b)   (D)   ((sqrt(a)-sqrt(b))/sqrt(2))^2