alleryएका राशीत 20% घट होते, नंतर 20% वाढ होते. निव्वळ बदल किती?
Aकाहीही बदल नाही
B8% घट
C4% वाढ
D4% घट
Answer & Solution
Correct answer: D. 4% घट
क्रमिक गुणक 0.8 आणि 1.2 यांचा गुणाकार 0.96 येतो, म्हणजेच 4% घट होते.
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