Question
When price elasticity of demand is unity, the total
expenditure:Solution
In simple terms, if a commodity has unitary elastic demand, then no matter if the price increases or decreases, the total expenditure made on it remains unchanged. In the above example, the price elasticity of demand is equal to one because the total expenditure remains the same no matter if the price falls or rises.
23   27    54    ?       195    231
...?     190      210      238      274     318
...Choose the number which is different from others in the group.
512   493   476   ?    448    437  . Â
362Â Â Â 284Â Â Â 393Â Â Â Â 451Â Â Â Â 144Â Â Â Â Â 221
...542Â Â Â Â Â Â 541Â Â Â Â Â Â Â 532Â Â Â Â Â Â Â 507 Â Â Â Â Â Â Â 458Â Â Â Â Â Â Â ?
...2556   636    156    ?    6
35, 36, 40, 49 , 65 , ?
13Â Â Â Â Â Â Â Â Â Â 182Â Â Â Â Â Â Â Â 303Â Â Â Â Â Â Â Â 384Â Â Â Â Â Â Â Â 433Â Â Â Â Â Â Â Â ?
...6, 17, 21, 47, ?, 107
