alleryਇੱਕ ਮਾਤਰਾ 20% ਡਿੱਗਦੀ ਹੈ, ਫਿਰ 20% ਵੱਧਦੀ ਹੈ। ਕੁੱਲ ਬਦਲਾਅ?
Aਕੋਈ ਬਦਲਾਅ ਨਹੀਂ
B8% ਕਮੀ
C4% ਵਾਧਾ
D4% ਕਮੀ
Answer & Solution
Correct answer: D. 4% ਕਮੀ
ਲਗਾਤਾਰ ਗੁਣਕ 0.8 ਅਤੇ 1.2 0.96 ਦਿੰਦੇ ਹਨ, ਇੱਕ 4% ਗਿਰਾਵਟ।
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