`1 3/4-1 1/5+1 5/8=?` (a) `2 7/(40)` (b) `3 7/(40)` (c) `9 5/8` (d) `10 7/8` (e) None of these

1(3)/(4)-1(1)/(5)+1(5)/(8)=?( a) 2(7)/(40) (b) (7)/(40) (c) 9(5)/(8)(d)10(7)/(8) (e) None of these

4(4)/(5)-:6(2)/(5)=?(3)/(4) (b) (5)/(7) (c) (5)/(8)(d)(7)/(11) (e) None of these

(3.5xx1.4)/(0.7)=?( a) 0.7(b)2.4(c)3.5(d)7.1 (e) None of these

Solve 1(1)/(8)+1(6)/(7)+3(3)/(5)=?8(121)/(140) (b) 6(163)/(280) (c) 9(197)/(280) (d) 7(117)/(140) (e) None of these

2(1.5)/(5)+2(1)/(6)-1(3.5)/(15)=(((?)^(1/3))/(4))+1(7)/(30) (a) 2(b)8(c)512(d)324(e) None of these

What should come next in the following number series ? 9 1 8 2 7 3 6 4 5 9 1 8 2 7 3 6 5 9 1 8 2 7 3 5 9 1 8 2 7 1) 3 2) 1 3) 5 4) 8 5) None of these

(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

What should come next in the following number series ? 9 7 5 3 1 1 8 6 4 2 2 9 7 5 3 1 1 8 6 4 2 2 9 7 5 3 1 1 8 6 4 2 2 9 7 5 1) 1 2) 5 3) 3 4) 5 5) None of these

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