A 4
B 3
C 2
D 5
Correct Answer: Option B
22 = 4< 8; এবং 23 = 27 < 30 ভুল ।
আবার 42 = 16 > 8 ; এবং 43 = 64 >30 ভুল ।
কিন্তু, 32 = 9 > 8 কিন্তু 33 = 27 < 30 সঠিক ।
ans: 3
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