Complete the correlation : Pen and ink : ______ : : Tea and coffee : Substitutes
Q.1 (B) (iv) Complete the correlation : Pen and ink : ______ : : Tea and coffee : Substitutes
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Answer: Complementary goods
Tea and coffee can be used in place of each other, so they are substitutes. Pen and ink are used together to satisfy one want, so they are complementary goods and have joint demand.
Doubtly AI
· 28 Oct 2026
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