What should be the missing number ? 81, 27, _____, 3, 1.
Solution
Correct Answer: Option B
Solution:
ধারা, = 81, 27, ........., 3, 1
= 34 , 33 , ..........., 31 , 30
নির্ণেয় সংখ্যা = 32 = 9
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