(8) Which one has no realtion with demand curve ? (A) Specific time
(B) Specific price
(C) Consumer
(D) Supply
(9) Who has presented law of demand ?
(A) Adam Smith
(B) Alfred Marshall
(C) Robbins
(D) Keynes
10) When products are expensive then how is the demand of prestigious goods of the rich ?
(A) More
(B) Less
(C) Zero
(D) Negative
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