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BITSAT 2020 Solved Question Paper
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© examsnet.com
Question : 128
Total: 150
Total number of ways of selecting 2 white squares on a normal chess board if the squares are not from the same row or column is equal to
480
496
412
400
Validate
Solution:
2 white squares can be selected in
32
C
2
ways If they belong to some row or same column then
2
(
8
⋅
4
C
2
)
ways.
© examsnet.com
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