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Qutbuddin Aibak, the founder of the Slave Dynasty, died in 1210 AD in an accident while playing polo (chogan). He fell from his horse and succumbed to his injuries. He was buried in Lahore.
In a certain code language,
‘A + B’ means ‘A is the mother of B’;
‘A − B’ means ‘A is the brother of B’;
Select the number from among the given options that can replace the question mark (?) in the following series.
61, 95, 138, 197, 279, ?
What approximate value will come in place of the question mark (?) in the following equation?
49.85 – 5.31 + 9.97 =?
Which is the one that does not belong to the group?