allery20 पेक्षा लहान किती मूळ संख्या आहेत?
A8
B6
C9
D7
Answer & Solution
Correct answer: A. 8
20 पेक्षा लहान मूळ संख्या 2, 3, 5, 7, 11, 13, 17 आणि 19 आहेत, ज्या एकूण आठ होतात.
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