12. चार रीबन की लम्बाई क्रमशः 20 मीटर 15 सेमी, 18 मीटर 20 सेमी, 10 मीटर 30
सेमी एवं 12 मीटर एवं 35 सेमी है। उनकी औसत लंबाई ज्ञात करें।
Answers
Answered by
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Answer:
14 meter 25 cm
Step-by-step explanation:
Avg length = (20.15+18.20+10.30+12.35)/4
=61.00/4=15.25
14 meter 25 cm
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