alleryप्रथम 7 आणि नंतर 8 च्या शिफ्टसह दोनदा एन्क्रिप्ट करणे हे कोणत्या शिफ्टसह एकदाच एन्क्रिप्ट करण्यासारखे आहे?
A56
B78
C15
D1
Answer & Solution
Correct answer: C. 15
दोन्ही शिफ्टची बेरीज होते, आणि 7 अधिक 8 बरोबर 15 होतात.
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