allery5, 7, 9, 11, 13 তথ্যখিনি সমান্তৰ প্ৰগতিত আছে। ইহঁতৰ মধ্যমা কিমান?
A9
B8
C11
D7
Answer & Solution
Correct answer: A. 9
ক্ৰমত সজোৱা পাঁচটা মানৰ মাজৰ মানটো হ'ল 9, যিটো গড় 45/5 ৰ সমানো হয়।
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