Question
18 32 50 72 98
?Solution
6 × 3 = 18 8 × 4 = 32 10 × 5 = 50 12 × 6 = 72 14 × 7 = 98 16 × 8 = 128 OR 18 + 14 = 32 32 + 18 = 50 50 + 22 = 72 72 + 26 = 98 98+30 = 128
979.001 + 4.0087 × 82.79 = ?
...388, ?, 98, 49, 24, 15
5, 7, 10 , 15 , 21 , 33
15 25 40 65 ? 195
6000 3191 5216 3847 4688 4247
6125 a b �...
5 18 44 83 135 200 ...
51 86 121 156 191 ?
33 68 103 138 173 ?
Four terms are in proportion. The first, second and fourth terms are 4, 22, and 33. Find the third term.
104 156 234 ? 526.5 789.75
...