Let R be a relation such that R={(a d) (c g) ) (d e) (d f) (g f)} then (R R^(-1))^(-1) is {(d d) (g g) (e e) (f f) (e f) (f e)} {(e a) (f a) (f c)} {(a e) (a f) (c f) {(d d) (g g) (e e) (f f) (e f)}

Let R be a relation such that R={(a d) (c g) (d e) (d f) (g f)} then (R@R^(-1))^(-1) is qquad {(d d) (g g) (e e) (f f) (e f) (f e)} O{(e a) (f a) (f c)} O{(a e) (a f) (c f) O{(d d) (g g) (e e) (f f) (e f)}

Let R be a relation such that R={(a d) (c g) (d e) (d f) (g f)} then (R@R^(-1))^(-1) is qquad {(d d) (g g) (e e) (f f) (e f) (f e)} O{(e a) (f a) (f c)} O{(a e) (a f) (c f) O{(d d) (g g) (e e) (f f) (e f)}

Let R be a relation such that R={(a c) (c g) (d e) (d f) (g f)} then (RoR^(1))^(-1) is O(d d) (g g) (e e) (f f) (e f) (f e)} O {(e a) (f a) (f c)} O {(a e) (a f) (c f) 0 {(d c) (g g) (e e) (f f) (e f)}

Let R be a relation such that R={(a d) (c g) (d e) (d f) (g f)} then (ROR^(1))^(-1) is

If (a)/(b) = (c )/(d ) = (e )/(f) = (3)/(4) , what is the value of (a+c +e )/( b+d +f) ?

If A B C and D E F are two triangles such that (A B)/(D E)=(B C)/(E F)=(C A)/(F D)=2/5 , then A r e a( A B C): A r e a( D E F)= 2:5 (b) 4: 25 (c) 4: 15 (d) 8: 125

a. b. c. d. e. f. g. h.

For rational numbers (a)/(b), (c )/(d) and (e )/(f) we have (a)/(b) xx ((c )/(d) +(e )/(f))= ______ + _______.

(a)/(b) = (c)/(d) = (e)/(f) = k(a, b, c, d, e, f gt 0) then

The H.C.F. of a/b , c/d , e/f is equal to (a) (LCM of a , c , e)/(HCF of b , d , f) (b) (HCF of a , c , e)/(LCM of b , d , f) (c) (HCF of a , c , e)/(HCF of b , d , f) (d) (a c e)/(b df)