allery2, 3, 5, 7, 11, 13 या यादीमध्ये 13 नंतर कोणती मूळ संख्या येते?
A15
B17
C19
D21
Answer & Solution
Correct answer: B. 17
ही मालिका क्रमाने मूळ संख्या दर्शवते, आणि 13 नंतरची मूळ संख्या 17 आहे कारण 15 ला 3 ने भाग जातो.
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