Question
Seven persons D, E, F, G, H, I and J sit in a linear row
facing towards north direction but not necessarily in the same order. J sits third to the left of D. I sits immediate right of D. G sits second to the left of H. E sits to the left of F, who doesn't sit adjacent to I. Who among the following sits fifth to the right of E?Solution
J sits third to the left of D. I sits immediate right of D.
J ____ ____ D I
G sits second to the left of H. E sits to the left of F, who doesn't sit adjacent to I.
E G J H F D I
Final arrangement as shown below:
E G J H F D I
18Â Â Â Â Â Â Â Â Â Â Â Â 29 Â Â Â Â Â Â Â Â Â Â Â Â Â Â 51 Â Â Â Â Â Â Â Â 84 Â Â Â Â Â Â Â Â 128 Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â 182
If 4 10 16 26 x 50
Then find the value of (x² - 1) + ( x² + 1).
...4, 8, 24, ?, 840, 9240
32, 65 , 196, 785, ? , 23557
16 18 14 20 12 ?
...362Â Â Â 284Â Â Â 393Â Â Â Â 451Â Â Â Â 144Â Â Â Â Â 221
...24  12  18  ?  157.5  708.75  3,898.125
Choose the number which is different from others in the group.
21 11.5 13 ? 45.5 116.75
...31   48    67    90   ?      150