Question
Five friends G, H, I, J and K are sitting in a straight
line all facing in the north direction. G is sitting at one of the extreme ends. Three people are sitting between G and H. J is sitting second to the left of H. K is sitting second to the right of I. How many people are sitting between I and H?Solution
GÂ Â Â Â Â Â Â Â Â Â Â Â IÂ Â Â Â Â Â Â Â Â Â Â Â Â Â JÂ Â Â Â Â Â Â Â Â Â Â Â Â KÂ Â Â Â Â Â Â Â Â Â Â Â H
7, 26, 238, 962, 8522, 34078
41 48 89 137 226 ?
...5Â Â Â Â Â Â Â Â Â Â Â Â Â Â 9Â Â Â Â Â Â Â Â Â Â Â Â Â Â 30Â Â Â Â Â Â Â Â Â Â Â 115Â Â Â Â Â Â Â Â Â 582Â Â Â Â Â Â Â Â Â 3483
15Â Â Â Â ...
69    119    156    ?     199    209
25 13.5 12.5 20.75 39.5 ? 302.25
...440                 482              526                  572                ?  �...
If  2  4  6  x  14  28  30
Then, x³+ 2 x+1 = ?
12 7 10 25 107 ?
...19, 37, 65, 91, 127, 169
22Â Â Â 23Â Â Â Â 32Â Â Â Â 57Â Â Â 106Â Â Â ?