Evaluate :

`( 14/15 ) / ( 7/6 )`

Evaluate : 15 5/7 times 15 2/7

14 8 6 6 7 ?

Evaluate: lim_(x rarr a) (x^(14)-a^(14))/(x^(-7)-a^(-7)) .

Find the value of x (-6)/(13) - (-7)/(15) = x

Find the value fo x:y, if (7x - 15y)/(4x + 6y) = (5)/(6).

Evaluate |[14, 9],[-8, -7]|

Find the value of (-4)/(5)times(3)/(7)times(15)/(16)times((-14)/(9))

Find the value of: (7 xx 6 + 5 - 15) :- 4 + 6 :- 3 - 4 + 18 :- 3

Out of the fractions (5)/( 7) , ( 7)/( 13) , ( 4)/( 7), ( 4)/( 15) and ( 9 )/( 14) , which is the third highest ?