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If (p)rarr the least possible integer gr...

If `(p)rarr` the least possible integer greater than or equal to p.
`g t (p)rarr` the greatest possible integer less than or equal to p.
`Delta(p, q) =" Min "(l t(p), g t(q))`
What is the vlaue of lt `(8.3)-g t(5.3)+l t(6.8)+g t(9.4)`

A

15

B

20

C

19

D

none of these

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Verified by Experts

The correct Answer is:
B
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