1.

If it is possible to make only one such number with the first, the fourth and the sixth digits of the number 531697, which is the perfect square of a two-digit even number, which of the following will be the second digit of the two digit even number. If no such number can be made, give '@' as the answer and if more then one such number can be made, give 'c' as the answer.

A. 4
B. 2
C. 6
D. @
Answer» B. 2


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