allery1 અને 20 ની વચ્ચે કેટલી અવિભાજ્ય સંખ્યાઓ છે?
A7
B8
C9
D6
Answer & Solution
Correct answer: B. 8
1 અને 20 વચ્ચેની અવિભાજ્ય સંખ્યાઓ 2, 3, 5, 7, 11, 13, 17 અને 19 છે. કુલ સંખ્યા = 8.
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