Fill up :
`5x < 20`
`x   ( --- )   4`
( a ) >
( b ) `le`
( c ) <
( d ) `ge`

Find the additive inverse of   5/7   is ( a ) 7/5 ( b ) 3/4 ( c ) -7/5 ( d ) -5/7

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 ( 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 the following : ( a )   ( 2/3 )^5   ( b )   ( 3/4 )^4   ( d )   ( -7/8 )^2   ( c ) ( -8/9 )^2

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

If A = [ [ 0 , 3 , -4 ] , [ k, 0 , 6 ] , [ 4 , -6 , 0 ] ] is skew symmetric matrix then the value of k is ( a )   -3   ( b )   3   ( c )   4   ( d )   -2

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

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

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

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