If \[^{12}{{P}_{r}}=1320\], then r is equal to [Pb. CET 2004] – McqOptions

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1.	If \[^{12}{{P}_{r}}=1320\], then r is equal to [Pb. CET 2004]
A.	5
B.	4
C.	3
D.	2
Answer» D. 2

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If \[^{12}{{P}_{r}}=1320\], then r is equal to [Pb. CET 2004]