If it is possible to make a three digit number, which is a perfect square of a two digit number from the second, third, and fifth digits of the number 3850692, the two digit number is your answer. If it is not possible to make such a number, your answer is (e) i.e., None of these.
Number : 3850692
2nd, 3rd and 5th digits = 8,5,6
The square of a number never ends with 8, thus possible 3 digit numbers formed are = 685, 865, 586, 856
These numbers are not perfect square numbers, thus it is not possible to make such a number.
=> Ans - (E)
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