Q.
Start JEE / NEET / Foundation preparation at rupees 99/day !!
21% of IItians & 23% of AIIMS delhi doctors are from Sri Chaitanya institute !!
An Intiative by Sri Chaitanya
a
4fn5d0−16s1−2
b
(n−2)f5d1−106s1−2
c
4fn5d0−16s2
d
4f1−145d0−17s2
answer is D.
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