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UPSC Civil Services 2015 Prelims General Studies Paper II
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© examsnet.com
Question : 30
Total: 80
An automobiles owner reduced his monthly petrol consumption when the prices went up. The price consumption relationship is as follows:
Price
(
in
₹
Per
litre
)
40
50
60
75
Monthly
consumption
(
in
litres
)
60
48
40
30
If the price goes up to ₹ 80 per litre, his expected consumption (in litres) will be
30
28
26
24
Validate
Solution:
The product of price (in ₹/litre) and the monthly consumption (in litres) is constant. This constant is equal to 2400.
Expected consumption when the price goes up to ₹ 80 per litre
=
2400
80
=
30
litres
© examsnet.com
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