alleryਜੇਕਰ ਖੰਡ ਦੀ ਕੀਮਤ 25% ਵਧਦੀ ਹੈ, ਤਾਂ ਖਰਚੇ ਨੂੰ ਸਥਿਰ ਰੱਖਣ ਲਈ ਖਪਤ ਨੂੰ ਕਿੰਨੇ ਪ੍ਰਤੀਸ਼ਤ ਤੱਕ ਘਟਣਾ ਚਾਹੀਦਾ ਹੈ?
A15%
B20%
C25%
D30%
Answer & Solution
Correct answer: B. 20%
ਲੋੜੀਂਦਾ ਗਿਰਾਵਟ = r/(100+r) x 100 = 25/125 x 100 = 20%।
**ਜਾਂਚ ਕਰੋ:** ਨਵੇਂ ਖਰਚੇ = 1.25 x 0.80 = 1.0, ਕੋਈ ਬਦਲਾਅ ਨਹੀਂ।
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