2. list the emperors in order of the lengths of their reigns, with the shortest reign
First ?

Explanation:

Find out the lengths of their reigns by subtraction.

Babar = 1530 - 1526

= 4 years

Humayan = 1556 - 1530

= 26 years

Akbar = 1605 - 1556

= 49 years

Jahangir = 1627 - 1605

= 22 years

Shah Jahan = 1658 - 1627

= 31 years

Aurangzeb = 1707 - 1658

= 49 years

Order them from shortest reigns to largest.

Barber ⇒ Jahangir ⇒ Humayan ⇒ Shah Jahan ⇒ Aurangzeb ⇒ Akbar

The last two reigned for the same amount of time so any order is fine.

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