Which of the following are true about the Mansabdari system?
$1.$ It meant the organisation of civil and military services of the state on the basis of gradation of ranks.
$2.$ The word 'mansab' is derived from the Arabic word meaning 'fixing the place'.
$3.$ Mansab in the Mughal administration fixed the rank, dignity and office of the public servant.

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Which of the following were the features of the Mansabdari system introduced by the Mughals?
$1.$ Periodic inspection of artillery.
$2.$ Branding horses.
$3.$ Hereditary grant of jagirs.
$4.$ Lack of distinction between Civil and Military Departments.

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Ibadat Khana, where learned men of all religions discussed religious issues during the time of Akbar, is a famous structure in:

Which of the following are true with regard to Akbar?
$1.$ He abolished Jizya and Pilgrim Tax in $1564$ and $\mathrm{AD}$ $1563,$ respectively.
$2.$ He erected the 'Ibadatkhana for holding religious discussions.
$3.$ His Din-i-Ilahi was a code of social conduct.
$4.$ He got the Khutba to be read in his name in $\mathrm{AD} 1574.$

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Which of the following was/were steps taken by Sher Shah to promote trade and commerce?
$1.$ Making travel safe for traders.
$2.$ Building a new highway between Delhi and Warangal.
$3.$ Abolishing internal duties and levying taxes only at the points of import and sale.
$4.$ Building sarais along roadways.

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Consider the following statement(s):
$1.$ Humayun regained his Delhi throne from Sher Shah in $1555 .$
$2.$ Humayun defeated Hemu at the Second Battle of Panipat in $1556 .$

Which of the statement(s) given above is/are correct?

Muhammad-bin-Tughlaq's experiment of introducing token currency could not succeed on account of: