`2 3/5-:5/7=\ ` `(13)/7` (b) `(13)/(25)` `(91)/(25)` (d) `(25)/(91)`

2 3/5-:5/7=\ (a) (13)/7 (b) (13)/(25) (c) (91)/(25) (d) (25)/(91)

Evaluate each of the following: (i) (-5)/(14)+(-2)/7 (ii) (13)/(15)-(12)/(25) (iii) (-6)/(13)-(-7)/(13)

Evaluate each of the following: (-5)/(14)(-2)/(7) (ii) (13)/(15)-(12)/(25) (iii) (-6)/(13)-(-7)/(13)

Find (-7)/(13) - ((-5)/(91))

If a : b=2:5, then (3a+2b)/(4a+b)= (a) (16)/(13) (b) (13)/(16) (c) (25)/(22) (d) (20)/(21)

(1)/(1.3)+(1)/(2.5)+(1)/(3.7)+(1)/(4.9)+...=

(2/3)^(-5)x\ (5/7)^(-5) is equal to (2/3x5/7)^(-10) (b) (2/3x5/7)^(-5) (c) (2/3x5/7)^(25) (d) (2/3x5/7)^(-25)

(2/3)^(-5)x\ (5/7)^(-5) is equal to (a) (2/3x5/7)^(-10) (b) (2/3x5/7)^(-5) (c) (2/3x5/7)^(25) (d) (2/3x5/7)^(-25)

Harmonic conjugate of the point (5, 13) with respect to (2,-5) and (3,1) is (1,(13)/5) (b) ((13)/5,1) ((13)/5,7/5) (d) (-7/5,(13)/5)

If a:b=2:5, then (3a+2b)/(4a+b)=(16)/(13)( b) (13)/(16)(25)/(22)(d)(20)/(21)