Question
With the rise in price from ₹ 8 to ₹ 14. Total
expenditure on the commodity rises by 40% and becomes ₹ 1,120. Calculate the price elasticity of demand.Solution
New Price, P1 = 14 New quantity, Q1 = 1120/14 = 80 Old total expenditure, X X+ 40% of X = 1120 X = 800 Old Price, Po = 8 Old Quantity, Qo = 800/8 = 100 Therefor, change in quantity = -20 Change in price = 6 Price elasticity of demand = dQ/dP * Po/Q0 = -20/6 * 8/100 = -0.267
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Only a few A are B.
No B is C.
All C are Z.
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I. Some A can be B.
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Some tables are chairs.
No chair is a book.
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b. Some rats are lions
Conclusions:I. Some dogs are not lions
II. Some lions are not dogs
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No Book is Pencil.
Some Pencil are Eraser.
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I. Some Eraser can be Pen.<...
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All pencils are books.
All pencils are glasses.
No glass is a jug.
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Some Cable are Table
No Table are Chair
All Chair are Rack
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I) Some Cable are not Rack...
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Only a few Triangle are Circle.
Some Circle are Square.
Only Square are Rectangle .
No Circle is a Cubo...
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Some TVs are laptops.
Some laptops are computers.
All computers are mobiles.
All mobiles are radios.
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Mostly minute is hour
All hour is time
Conclusions:
I. Some time is second
