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Let A and B be finite sets and P(A) an...

Let A and B be finite sets and `P_(A) and P_(B)` respectively denote their power sets . If `P_(B)` has 112. elements more than those in `P_(A)` then the number of functions from A to B which are injective is

A

224

B

56

C

120

D

840

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The correct Answer is:
D
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TS EAMCET PREVIOUS YEAR PAPERS-AP EAMCET ENGINEERING ENTRANCE EXAM ONLINE QUESTION PAPER 2019 (SOLVED)-Mathematics
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