" 9."(180%" of "?)-:2=504

What well Centre in place of the question mark (?) in the following questions? % " of" 800 + (12)^2 = 504

Solve [180%backslash of backslash(?)]-:2=504a.400b600c.560d.480

(0.9 % of 450) div (0.2% of 250) = ?

(3)/(5) "of" (4)/(7) "of" (5)/(9) "of" (21)/(24) "of" 504=?

Four bells begin to toll together and toll respectively at intervals of 6,7,8 and 9 seconds.In 1.54 hours,how many xx do they toll together and in what interval (seconds)? (a) 14,504 (b) 14,480 (c) 12, 504(d) 16,580

Prove that (9!)/((9 - 3)!) = 504

If log_(9^(1/2))x+log_(9^(1/3))x+. . . upto 21 terms = 504 . Find x

(3)/(5) of (4)/(7) of (5)/(9) of (21)/(24) of 504=?( a) 63 (b) 69 (c) 96 (d) 109 (e) None of these