`999. 99+99. 99+9. 99=?` (a) 1019.89 (b) 1099.88 (c) 1108.99 (d) 1109.99 (e) None of these

19.99xx9.9+99.9=?( a) 129.79 (b) 297.801 (c) 1009 (d) 296.910 (e) None of these

999xx99xx9-:99-:9-:3=?(a)99(b)111(c)333(d)999(e) None of these

50.001% "of" 99.99div49.999=?

Find 0.9 + 0.99 + 0.999 + … + to n terms

99 xx 99 = ? A.9791 B. 9801 C.9881 D.9901.

If no solution of 3siny+12sin^3x=a lies on the line y=3x , then (a) a in (-oo,-9)uu(9,oo) (b) a in [-9,9] (c) a in {-9,9} (d) none of these

Add the following 9.09, 0.909, 99.9, 9.99, 0.099

(1.99)^(3)-3(1.99)+5~~…

it [[0.99, -998-99.0, 997998, -997.0]] = 0