`(11)^c= ?` (a) `308^@` (b)`418^@` (c) `630^@` (d) None

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

( 1+3+5+7+9+11 )^ (3/2) = (a)36 (b) 216 (c)256 (d) none of these

( 1+3+5+7+9+11 )^ (3/2) = (a)36 (b) 216 (c)256 (d) none of these

tan^(-1)1/(11)+tan^(-1)2/(11) is equal to (a) 0 (b) 1//2 (c) -1 (d) none of these

tan^(-1)(1/(11))+tan^(-1)(2/(11)) is equal to (a) 0 (b) 1//2 (c) -1 (d) none of these

The simplest reduction to the lowest terms of (116,690,151)/(427,863,887) is (a) (3)/(11) (b) (7)/(11) (c) (11)/(3) (d) None of these

4848-:24xx11-222=?(a)200(b)2444 (c) 2000(d)115(3)/(8) (e) None of these

[(125)^(2)-:50xx20]-:25=?(a)11(b)100 (c) 150(d)250(e) None of these

(11.6-:0.8)(13.5-:2)=?( a) 98(b)99(c)100(d) None of these

If a ,\ b ,\ c are in proportion, then (a) a^2=b c (b) b^2=a c (c) c^2=a b (d) None of these