Some Singer are Doctor (I) + Some Doctor are Painter (I) → Probable conclusion → Some Painter may be Singer (I). Hence conclusion I follows. Only Doctor are Dancer means All Dancer are Doctor and in this case Dancer will not have any relation to anyone. Hence II does not follow. Some Singer are Doctor (I) ) → Probable conclusion → All Doctor cannot be Singer (A). Hence conclusion III follows. Alternate Method -
98    219    75    244    ?    273
6Â Â Â Â Â Â Â Â Â Â Â Â Â 7Â Â Â Â Â Â Â Â Â Â Â Â Â 15Â Â Â Â Â Â Â Â Â Â 46Â Â Â Â Â Â Â Â Â Â 185Â Â Â Â Â Â Â Â ?
...If 152,   242,    x ,  332,   404,    314,
then find the value of (2x – 1)?
...There are 3 series, you have to find value of a, b, c and then establish relation among a,b,c.
19, 25, 45, a, 553, 2767
1560 760 360 160 6...
18   22    49    ?       190    226
...9134 170 ? 577 1306
...61, 48, ?, 35, 87, 22
22   39    58    81   ?      141
462 478 510 558 ?
...318Â Â Â 228Â Â Â 148Â Â Â 78Â Â Â 18Â Â Â ?