The expression `(5 5/8)/(6 3/7)` of `(6 7/(11))/(9 1/8)-:8/9(2 3/(11)+(13)/(22))` of `3/5` equals (a) 1 (b) `1/2` (c) `7/9` (d) `5/(12)`

(5)/(6) -: (6)/(7) xx ? - (8)/(9) -: 1 (2)/(5) -: (3)/(4) xx 3 (1)/(3) = 2(7)/(9)

The value of (5^((1)/(4))-: (3)/(7)"of"(1)/(2)) -: (5(1)/(9)-7(7)/(8)-: 9 (9)/(20)) xx(11)/(21)+ (2-: 2 "of" (1)/(2)) is :

9-1(2)/(9) of 3(3)/(11)-:5(1)/(7) of (7)/(9)=?(5)/(4)(b)8(c)8(32)/(81) (d) 9

Which of the following are in descending order of their values? (5)/(9),(7)/(11),(8)/(15),(11)/(17) (b) (5)/(9),(8)/(15),(11)/(17),(7)/(11) (c) (11)/(17),(7)/(11),(5)/(15),(5)/(9)(d)(11)/(17),(7)/(11),(5)/(9),(8)/(15)

The average of 4(3/5) , 2(2/3) , 6(8/9) , 7(7/15) , 3(5/9) is:

(5)/(6)-:(6)/(7)xx?-(8)/(9)-:1(3)/(5)+(3)/(4)xx3(1)/(3)=2(7)/(9)(7)/(6)(b)(6)/(7)(c)1(d) None of these