`18 3/4xx?-:6/(37)=1480` `11 7/(12)` (b) `11 4/5` (c) `12 5/(12)` (d) `12 4/5` (e) None of these

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

[(?)^(2)+(18)^(2)]-:125=3.56(a)11(b)12(c)14(d)15(e) 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

(180xx15-12xx20)/(140xx8+2xx55)=?( a) (1)/(7)(b)(4)/(5)(c)2 (d) 4 (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

(5 1/4-3 1/3)= (12)/(23) (b) 2 1(11)/(12) (d) (11)/(12)

The value of 4.12 is 4(11)/(90) (b) 4(11)/(99) (c) (371)/(900) (d) None of these

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

5/4-7/6-(-2)/3=\ 3/4 (b) -3/4 (-7)/(12) (d) 7/(12)

The value of sin^(-1)((3)/(sqrt(73)))+cos^(-1)((11)/(sqrt(146)))+cot^(-1)sqrt(3) is (A)(5 pi)/(12) ( textrmB ) (17 pi)/(12) (C) (7 pi)/(12) (D) None of these