`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

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

(3.5xx1.4)/(0.7)=?( a) 0.7(b)2.4(c)3.5(d)7.1 (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

(16(2)/(5)-12(1)/(15))-:3(4)/(81)=?( a) 1(9)/(19) (b) 1(9)/(13)(c)2(8)/(13) (d) 3(2)/(19) (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

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

(7(1)/(2)-5(3)/(4))/(3(1)/(2)+?)-:((1)/(2)+1(1)/(4))/(1(1)/(5)+3(1)/(2))=0.6 a) 4(1)/(3)(b)4(1)/(2) (c) 4(2)/(3) (d) 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

(3)/(4)(1+(1)/(3))(1+(2)/(3))(1-(2)/(5))(1+(6)/(7))(1-(12)/(13))=?(1)/(5)( b )(1)/(6)(c)(1)/(7) (d) None of these

The sum of the series 1 + (1)/(3^(2)) + (1 *4)/(1*2) (1)/(3^(4))+( 1 * 4 * 7)/(1 *2*3)(1)/(3^(6)) + ..., is (a) ((3)/(2))^((1)/(3)) (b) ((5)/(4))^((1)/(3)) (c) ((3)/(2))^((1)/(6)) (d) None of these