which number replaces the ?
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If you have a look at the columns , vertically downwards then you would observe that the sum of the numbers in each column is same and that is 14
In first column,
7 + 2+1+4 = 14
In second column,
3+8+1+2 = 14
In third column,
6+5+2+1 = 14
In fourth column,
2+4+4+? = 14
Hence,
? = 14-10 = 4
Hence, the number to be replaced in place of ? is 4.
In first column,
7 + 2+1+4 = 14
In second column,
3+8+1+2 = 14
In third column,
6+5+2+1 = 14
In fourth column,
2+4+4+? = 14
Hence,
? = 14-10 = 4
Hence, the number to be replaced in place of ? is 4.
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