In each of the following questions, select the missing number from the given responses.
7 6 8
5 4 9
3 2 1
83 56 ?
Consider , column wise.
$$7^{2}$$+$$5^{2}$$+$$3^{2}$$=83
$$6^{2}$$+$$4^{2}$$+$$2^{2}$$=56
$$8^{2}$$+$$9^{2}$$+$$1^{2}$$=x
Hence, x = 146
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