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एका किमतीत 20% वाढ होते, नंतर 10% घट होते. एकूण बदल किती?

A8% वाढ
B10% वाढ
C8% घट
Dकाहीही बदल नाही
Answer & Solution
Correct answer: A. 8% वाढ
1.2 आणि 0.9 या गुणकांचा गुणाकार 1.08 येतो, म्हणजेच 8% निव्वळ वाढ होते.
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