allery20 કરતાં નાની અવિભાજ્ય સંખ્યાઓ કેટલી છે?
A8
B6
C9
D7
Answer & Solution
Correct answer: A. 8
20 કરતાં નાની અવિભાજ્ય સંખ્યાઓ 2, 3, 5, 7, 11, 13, 17 અને 19 છે, જેથી તે કુલ આઠ થાય છે.
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