Time left =
2
1800, ?, 60, 15, 5, 2.5
3
4, 3, 4, 9, 32, ?
4
?, 100, 150, 375, 1312.5
5
0, 6, 24, 60, ?, 210
6
Find ratio of books read by B & C together in 2005 to books read by A & D together in 2006.
7
Books read by A & D together in 2005 are what percent more than books read by C in 2006?
8
Books read by A & C together in 2005 are how much more or less than books read by B & D together in 2006?
9
486 ÷ ? × 7392 ÷ 66 = 1008
10
142/7% of 4200 ÷ √576= (? )1/2
11
(0.05 × 6.25) ÷ 2.5 =?
12
(36% of 180) ÷ 0.4 = ?