1, 1, 2, 6, 24, 96, 720 (a) 720      (b) 96     (c) 24    (d) 6     (e) 2

48, 24, 96, 48, 192, ?

3 6 12 24 48 96 ?

46080, 3840, 384, 48, 24, 2, 1 (a) 1 (b) 2 (c) 24 (d) 384

The LCM of 24, 36 and 40 is (a) 4 (b) 90 (c) 360 (d) 720

24576, 6144, 1536, 386, 96, 24

The LCM of 24, 36 and 40 is 4 (b) 90 (c) 360 (d) 720

How many squares with side (1)/(2) inch long are needed to cover a rectangle that is 4 feet long and 6 feet wide? (a) 24 (b) 96(c) 3456(d) 13824 (e) 14266

(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

24.96^(2)-:(34.11-:20.05)+67.96-89.11=? (a) 884 (b) 346 (c) 252 (d) 424 (e) 366

(6^(-1)-8^(-1))^(-1) = (a) 1/(24) (b) 24 (c) -24 (d) -1/(24)