alleryசிறிதளவு கோட்டமுடைய தரவுகளுக்கு சராசரி 30 மற்றும் முகடு 24 ஆகும். இடைநிலையைத் தோராயமாகக் காண்க.
A28
B27
C29
D26
Answer & Solution
Correct answer: A. 28
இடைநிலை = (2 x 30 + 24)/3 = 84/3 = 28 என்ற சூத்திரத்தைப் பயன்படுத்திப் பெறப்படுகிறது.
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