Correct option is A
GIVEN:
3 8 4 6 : 9 64 16 36
Logic: Second number is square of first number.
3 → 32 = 9
8 → 82 = 64
4 → 42 = 16
6 → 62 = 36
Similarly,
? : 25 1 64 49
5 → 52 = 25
1 → 12 = 1
8 → 82 = 64
7 → 72 = 49
Hence, "5 1 8 7" is correct answer
3 8 4 6 : 9 64 16 36
Logic: Second number is square of first number.
3 → 32 = 9
8 → 82 = 64
4 → 42 = 16
6 → 62 = 36
Similarly,
? : 25 1 64 49
5 → 52 = 25
1 → 12 = 1
8 → 82 = 64
7 → 72 = 49
Hence, "5 1 8 7" is correct answer
Thus, correct option is (a).
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