The average of smallest and largest primes between 60 and 80 is -

A 60
B 70
C 77

Correct Answer: 70

60 ও 80 এর মধ্যে বৃহত্তম মৌলিক সংখ্যা 79 60 ও 80 এর মধ্যে বৃহত্তম মৌলিল সংখ্যা + 61 সংখ্যা দুটির সমষ্টি = 140 সংখ্যা দুটির গড় = 140/2 = 70
Bissoy MCQ
#গণিত #গড় (Average) #Bangladesh Development Bank Ltd #Bangladesh Development Bank Ltd - Senior Officer - 24.11.2017

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