`1/((2 1/3))+1/((1 3/4))` is equal to (a) `7/(14)` (b) `(12)/(49)` (c) `4 1/(12)` (d) None of these

(3)/(8) is what part of (1)/(12)?(3)/(7)(b)(1)/(12) (c) (4)/(3) (d) None of these

2(3)/(4)-:2(2)/(3)-:1(1)/(12)=?(39)/(48) (b) 1(1)/(4) (c) (169)/(144) (d) 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

12(1)/(3)+10(5)/(6)-7(2)/(3)-1(4)/(7)=?( a) 11(13)/(14) (b) 13(11)/(14)(c)13(13)/(14) (d) 14(11)/(13) (e) None of these

[1+(1)/(1+(1)/(1+(1)/(3)))]-:1(4)/(7) is equal to (a) 1 (b) 1(1)/(3)( c) 1(1)/(4) (d) 1(1)/(7)

2(1)/(4)+1(1)/(3)-4(1)/(2)=?-1(1)/(12) (b) (11)/(12) (c) -(11)/(12)(d)1(1)/(12) (e) None of these

If a:b:c=2:3:4, then (1)/(a):(1)/(b):(1)/(c) is equal to (1)/(4):(1)/(3):(1)/(2) b.4:3:2 c.6:4:3 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

4(3)/(7)-1(3)/(14)=?+2(3)/(28)1(3)/(28)(b)3(1)/(14) (c) 3(3)/(14) (d) 3(1)/(28) (e) None of these

x^((x-1)- 1/2 (x-1)^2+1/3((x-1)^3).- 1/4((x-1)^4).+…….. is equal to (A) 2logx (B) logx (C) x^2 (D) none of these