A) 4
B) 8
C) 24
D) 6
Correct Answer: B
Solution :
[b] The natural number are 1, 2, 3, 4, clearly, in one diagonal we have to place 1, 4 and in the other 2, 3,. The number of ways in (i) is \[2!\times 2!=4\] The number of ways in (ii) is \[2!\times 2!=4\]. Therefore, the total number of ways is8.You need to login to perform this action.
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