`1 1/4+1 5/9xx1 5/8-:6 1/2=?` (a) 17 (b) 27 (c) 18 (d) 42 (e) None of these

1(1)/(4)+1(5)/(9)xx1(5)/(8)-:6(1)/(2)=?( a) 17(b)27 (c) 18(d)42 (e) None of these

32.4xx11.5xx8.5=?( a) 3149.5 (b) 3129.1 (c) 3167.1 (d) 3162.5 (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

(18xx14-6xx8)/(488-:4-20)=?(1)/(2)(b)(3)/(4)(c)2(d)4(e) None of these

The correct fraction in the box (\ ) is (\ ) - 5/8 = 1/4 (a) 6/8 (b) 7/8 (c) 1/2 (d) None of these

1(10)/(11)xx17(2)/(7)xx36(1)/(6)=?( a) 397(5)/(6) (b) 397(1)/(2) (c) 1193(5)/(6) (d) 1193(1)/(2) (e) None of these

Solve (21.5)/(5)+(21)/(6)-(13.5)/(15)=(((?)^((1)/(3)))/(4))+(17)/(30) (a) 2( b) 8( c) 512 (d) 324 (e) None of these

(4. 2xx4. 2-1. 9xx1. 9)/(2. 3xx6. 1)=? (a) 0.5 (b) 1 (c) 1.9 (d) 4.2

6(5)/(6)xx5(1)/(3)+17(2)/(3)xx4(1)/(2)=?( a) 112(1)/(3) (b) 116(2)/(3)(c)240(d)663(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