allery1 اور 20 کے درمیان کتنے بنیادی نمبر ہیں؟
A7
B8
C9
D6
Answer & Solution
Correct answer: B. 8
1 اور 20 کے درمیان بنیادی نمبر 2، 3، 5، 7، 11، 13، 17، اور 19 ہیں۔ کل گنتی = 8۔
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